======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '180'
                                          'artist'  'David Bowie'
                                     'text_people'  ''
                                         'release'  'The Rise and Fall of Ziggy Stardust and the Spiders From Mars'
                                           'title'  "It Ain't Easy"
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                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '18'
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos;set-pl-sced'
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                                             'key'  '12A'
                                        'acoustid'  'b0161604-cef9-4853-bcdc-01012ab6b05a'
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 000004B0 0000036F 00002BA1 00001C2B 0001FC15 0001FC15 00006049 000049D4 '
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'TALB' (Album/Movie/Show title)                     'The Rise and Fall of Ziggy Stardust and the Spiders From Mars'
'TBPM' (BPM (beats per minute))                     '133'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-eos', 'set-pl-sced']
'TDOR' (Original release time)                      '1972'
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         "It Ain't Easy"
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'David Bowie'
'TPE2' (Band/orchestra/accompaniment)               'David Bowie'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '5/18'
'TSO2'                                              'Bowie, David'
'TSOP' (Performer sort order)                       'Bowie, David'
'TSRC' (ISRC (international standard recording code))  'USJT10200023/USJT11200005/USJT19900056'
'TXXX:Acoustid Id'                                  'b0161604-cef9-4853-bcdc-01012ab6b05a'
'TXXX:Artists'                                      'David Bowie'
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'TXXX:MusicBrainz Album Id'                         '92a5dfe8-db8a-477d-a5ce-06eb1e565463'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5441c29d-3602-4898-b1a1-b77fa23b8e50'
'TXXX:MusicBrainz Release Group Id'                 '6c9ae3dd-32ad-472c-96be-69d0a3536261'
'TXXX:MusicBrainz Release Track Id'                 'b19a89c0-4f6a-3929-8cc7-e20e4b77e1a7'
'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'                                  ['rock', 'pop', 'art rock']
'TXXX:lastfmtags'                                   ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
'TXXX:originalyear'                                 '1972'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
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'TXXX:replaygain_track_peak'                        '0.516564'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'df367f8e-3f2d-4f37-84c7-5e6617e16258')
'USLT::XXX'                                         ('When you climb to the top of the mountain\r\n'
 'Look out over the sea\r\n'
 'Think about the places perhaps, where a young man could be\r\n'
 'Then you jump back down to the rooftops\r\n'
 'Look out over the town\r\n'
 'Think about all of the strange things circulating round\r\n'
 '\r\n'
 'CHORUS\r\n'
 "It ain't easy, it ain't easy\r\n"
 "It ain't easy to get to heaven when you're going down\r\n"
 '\r\n'
 'Well all the people have got their problems\r\n'
 "That ain't nothing new\r\n"
 'With the help of the good Lord\r\n'
 'We can all pull on through\r\n'
 'We can all pull on through\r\n'
 'Get there in the end\r\n'
 "Sometimes it'll take you right up and sometimes down again\r\n"
 '\r\n'
 'CHORUS\r\n'
 '\r\n'
 'Satisfaction, satisfaction\r\n'
 'Keep me satisfied\r\n'
 "I've got the love of a Hoochie Koochie woman\r\n"
 'She calling from inside\r\n'
 "She's a-calling from inside\r\n"
 'Trying to get to you\r\n'
 'All the woman really wants you can give her something too\r\n'
 '\r\n'
 'CHORUS (x2)')

========================== row from database ==========================
                                              'id'  1497391
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/David Bowie/[1972] Ziggy Stardust/05 It Ain_t Easy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  180
                                           'genre'  ifs-songwriter-eos;set-pl-sced
                                        'filesize'  2968310
                                           'mtime'  1637330491
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos [1972] 05 Ain_t ifs songwriter eos;set pl sced
                                      'tag_artist'  David Bowie
                                     'tag_release'  The Rise and Fall of Ziggy Stardust and the Spiders From Mars
                                       'tag_title'  It Ain't Easy
                                             'bpm'  133.0
                                    'search_title'  'ain':2 'aint':4 'easy':5 'it':1 't':3
                                   'search_artist'  'bowie':2 'david':1
                                  'search_release'  'and':3 'fall':4 'from':9 'mars':10 'of':5 'rise':2 'spiders':8 'stardust':7 'the':1 'ziggy':6
                                     'search_rest'  '00singer':1 '1972':4,5 'ain':6 'eos':3,9,11 'ifs':8 'pl':13 'sced':14 'set':10,12 'songwriter':2 't':7
                                    'search_combo'  '00singer':18 '1972':21,22 'ain':2A,23 'aint':4A 'and':10C 'bowie':7B 'david':6B 'easy':5A 'eos':20,26,28 'fall':11C 'from':16C 'ifs':25 'it':1A 'mars':17C 'of':12C 'pl':30 'rise':9C 'sced':31 'set':27,29 'songwriter':19 'spiders':15C 'stardust':14C 't':3A,24 'the':8C 'ziggy':13C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
                                        'tag_date'  1972
                                     'discogstags'  ['rock', 'pop', 'art rock']

============================== file details ==============================
                                           'mtime'  1637330490.8203518  (2021-11-19 15:01:30)
                             'size'  2968310