======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '341'
                                          'artist'  'David Bowie'
                                     'text_people'  ''
                                         'release'  'The Man Who Sold the World'
                                           'title'  'All the Madmen'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
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                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '13'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos;set-pl-sced'
                                             'bpm'  '136'
                                             'key'  '4A'
                                        'acoustid'  '7caf171f-972d-40ec-9d63-eb20657da0a2'
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000006E9 00000834 00001E30 0000493A 0003A9C5 00046D15 000077EE 0000778F '
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'TALB' (Album/Movie/Show title)                     'The Man Who Sold the World'
'TBPM' (BPM (beats per minute))                     '136'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-eos', 'set-pl-sced']
'TDOR' (Original release time)                      '1970'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'All the Madmen'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'David Bowie'
'TPE2' (Band/orchestra/accompaniment)               'David Bowie'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Rykodisc'
'TRCK' (Track number/Position in set)               '2/13'
'TSO2'                                              'Bowie, David'
'TSOP' (Performer sort order)                       'Bowie, David'
'TSRC' (ISRC (international standard recording code))  'USJT11500093/USJT19900015'
'TXXX:ASIN'                                         'B0000009NG'
'TXXX:Acoustid Id'                                  '7caf171f-972d-40ec-9d63-eb20657da0a2'
'TXXX:Artists'                                      'David Bowie'
'TXXX:CATALOGNUMBER'                                'RCD 10132'
'TXXX:MusicBrainz Album Artist Id'                  '5441c29d-3602-4898-b1a1-b77fa23b8e50'
'TXXX:MusicBrainz Album Id'                         '246a9545-4a25-3204-a817-e52f9e5ae730'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5441c29d-3602-4898-b1a1-b77fa23b8e50'
'TXXX:MusicBrainz Release Group Id'                 '2536a41d-fde9-35d5-a6c6-cd4d94ffd916'
'TXXX:MusicBrainz Release Track Id'                 '1c9bc9e4-358d-36b0-bf38-0e3df67eafa6'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['glam', 'blues rock', 'alternative rock', 'rock']
'TXXX:lastfmtags'                                   ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
'TXXX:originalyear'                                 '1970'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.56 dB'
'TXXX:replaygain_track_peak'                        '0.584207'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6f142b95-997c-4bc0-92f6-33c9c7c32a95')
'USLT::XXX'                                         ('Day after day\r\n'
 'They send my friends away\r\n'
 'To mansions cold and grey\r\n'
 'To the far side of town\r\n'
 'Where the thin men stalk the streets\r\n'
 'While the sane stay underground\r\n'
 '\r\n'
 'Day after day\r\n'
 'They tell me I can go\r\n'
 'They tell me I can blow\r\n'
 'To the far side of town\r\n'
 "Where it's pointless to be high\r\n"
 "'Cause it's such a long way down\r\n"
 '\r\n'
 'So I tell them that\r\n'
 'I can fly, I will scream, I will break my arm\r\n'
 'I will do me harm\r\n'
 'Here I stand, foot in hand, talking to my wall\r\n'
 "I'm not quite right at all, am I?\r\n"
 '\r\n'
 "Don't set me free, I'm as heavy as can be\r\n"
 'Just my librium and me\r\n'
 'And my E.S.T. makes three\r\n'
 '\r\n'
 "'Cause I'd rather stay here\r\n"
 'With all the madmen\r\n'
 'Than perish with the sad men roaming free\r\n'
 "And I'd rather play here\r\n"
 'With all the madmen\r\n'
 "For I'm quite content they're all as sane\r\n"
 'As me\r\n'
 '\r\n'
 '(Where can the horizon lie\r\n'
 'When a nation hides\r\n'
 'Its organic minds\r\n'
 'In a cellar, dark and grim\r\n'
 'They must be very dim)\r\n'
 '\r\n'
 'Day after day\r\n'
 'They take some brain away\r\n'
 'Then turn my face around\r\n'
 'To the far side of town\r\n'
 "And tell me that it's real\r\n"
 'Then ask me how I feel\r\n'
 '\r\n'
 'Here I stand, foot in hand, talking to my wall\r\n'
 "I'm not quite right at all\r\n"
 '\r\n'
 "Don't set me free, I'm as helpless as can be\r\n"
 "My libido's split on me\r\n"
 "Gimme some good 'ole lobotomy\r\n"
 '\r\n'
 "'Cause I'd rather stay here\r\n"
 'With all the madmen\r\n'
 'Than perish with the sad men\r\n'
 'Roaming free\r\n'
 "And I'd rather play here\r\n"
 'With all the madmen\r\n'
 "For I'm quite content\r\n"
 "They're all as sane as me\r\n"
 '\r\n'
 'Zane, zane, zane\r\n'
 'Ouvre le chien\r\n'
 'Zane, zane, zane\r\n'
 'Ouvre le chien\r\n'
 'Zane, zane, zane (ah ah ah)\r\n'
 'Ouvre le chien\r\n'
 'Zane, zane, zane (ah ah ah)\r\n'
 'Ouvre le chien\r\n'
 'Zane, zane, zane (ah ah ah)\r\n'
 'Ouvre le chien\r\n'
 'Zane, zane, zane (ah ah ah)\r\n'
 'Ouvre le chien\r\n'
 'Zane, zane, zane (ah ah ah)\r\n'
 'Ouvre le chien\r\n'
 'Zane, zane, zane (ah ah ah)\r\n'
 'Ouvre le chien\r\n'
 'Zane, zane, zane (ah ah ah)\r\n'
 'Ouvre le chien\r\n'
 'Zane, zane, zane (ah ah ah)\r\n'
 'Ouvre le chien')

========================== row from database ==========================
                                              'id'  411991
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/David Bowie/[1971] The Man Who Sold The World/02 All The Madmen.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  341
                                           'genre'  ifs-songwriter-eos;set-pl-sced
                                        'filesize'  5555578
                                           'mtime'  1636400843
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos [1971] 02 ifs songwriter eos;set pl sced
                                      'tag_artist'  David Bowie
                                     'tag_release'  The Man Who Sold the World
                                       'tag_title'  All the Madmen
                                             'bpm'  136.0
                                    'search_title'  'all':1 'madmen':3 'the':2
                                   'search_artist'  'bowie':2 'david':1
                                  'search_release'  'man':2 'sold':4 'the':1 'who':3 'world':5
                                     'search_rest'  '00singer':1 '1971':4,5 'eos':3,7,9 'ifs':6 'pl':11 'sced':12 'set':8,10 'songwriter':2
                                    'search_combo'  '00singer':11 '1971':14,15 'all':1A 'bowie':5B 'david':4B 'eos':13,17,19 'ifs':16 'madmen':3A 'man':7C 'pl':21 'sced':22 'set':18,20 'sold':9C 'songwriter':12 'the':2A,6C 'who':8C 'world':10C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
                                        'tag_date'  1990
                                     'discogstags'  ['glam', 'blues rock', 'alternative rock', 'rock']

============================== file details ==============================
                                           'mtime'  1636400843.004027  (2021-11-08 20:47:23)
                             'size'  5555578