<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '182'
                                          'artist'  'David Bowie'
                                     'text_people'  ''
                                         'release'  'The Rise and Fall of Ziggy Stardust and the Spiders From Mars'
                                           'title'  "Rock 'n' Roll Suicide"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['classic rock', '80s', 'alternative', 'rock', 'glam rock']"
                                     'discogstags'  "['rock', 'pop', 'art rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '18'
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos;set-pl-sced'
                                             'bpm'  '107'
                                             'key'  '8B'
                                        'acoustid'  'fe9abef3-5fea-4b7d-b2ab-f6522e80c6f2'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d75b20>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1508215"/>
'COMM:iTunNORM:eng'                                 (' 00000412 000004CC 00001203 000017C6 00029855 00029855 00006169 0000581E '
 '00024A35 00024A35')
'TALB' (Album/Movie/Show title)                     'The Rise and Fall of Ziggy Stardust and the Spiders From Mars'
'TBPM' (BPM (beats per minute))                     '107'
'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)         "Rock 'n' Roll Suicide"
'TKEY' (Initial key)                                '8B'
'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)               '11/18'
'TSO2'                                              'Bowie, David'
'TSOP' (Performer sort order)                       'Bowie, David'
'TSRC' (ISRC (international standard recording code))  'USJT10200029/USJT11200011/USJT19900062'
'TXXX:Acoustid Id'                                  'fe9abef3-5fea-4b7d-b2ab-f6522e80c6f2'
'TXXX:Artists'                                      'David Bowie'
'TXXX:MusicBrainz Album Artist Id'                  '5441c29d-3602-4898-b1a1-b77fa23b8e50'
'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'                 '3f11c183-e3ae-3ddd-9eb3-36ec13ab0061'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.39 dB'
'TXXX:replaygain_track_peak'                        '0.509437'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4e09e693-ee84-462f-9d21-c5cecccdc5ac')
'USLT::XXX'                                         ('Time takes a cigarette, puts it in your mouth\r\n'
 'You pull on your finger, then another finger, then your cigarette\r\n'
 'The wall-to-wall is calling, it lingers, then you forget\r\n'
 "Ohhh how how how, you're a rock 'n' roll suicide\r\n"
 '\r\n'
 "You're too old to lose it, too young to choose it\r\n"
 'And the clocks waits so patiently on your song\r\n'
 "You walk past a cafe but you don't eat when you've lived too long\r\n"
 "Oh, no, no, no, you're a rock 'n' roll suicide\r\n"
 '\r\n'
 'Chev brakes are snarling as you stumble across the road\r\n'
 'But the day breaks instead so you hurry home\r\n'
 "Don't let the sun blast your shadow\r\n"
 "Don't let the milk float ride your mind\r\n"
 "You're so natural - religiously unkind\r\n"
 '\r\n'
 "Oh no love! you're not alone\r\n"
 "You're watching yourself but you're too unfair\r\n"
 'You got your head all tangled up but if I could only\r\n'
 'make you care\r\n'
 "Oh no love! you're not alone\r\n"
 "No matter what or who you've been\r\n"
 "No matter when or where you've seen\r\n"
 'All the knives seem to lacerate your brain\r\n'
 "I've had my share, I'll help you with the pain\r\n"
 "You're not alone\r\n"
 '\r\n'
 "Just turn on with me and you're not alone\r\n"
 "Let's turn on with me and you're not alone (wonderful)\r\n"
 "Let's turn on and be not alone (wonderful)\r\n"
 "Gimme your hands cause you're wonderful (wonderful)\r\n"
 "Gimme your hands cause you're wonderful (wonderful)\r\n"
 'Oh gimme your hands.')

========================== row from database ==========================
                                              'id'  1508215
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/David Bowie/[1972] Ziggy Stardust/11 Rock _n_ Roll Suicide.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  182
                                           'genre'  ifs-songwriter-eos;set-pl-sced
                                        'filesize'  3006052
                                           'mtime'  1637330491
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos [1972] 11 _n_ 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'  Rock 'n' Roll Suicide
                                             'bpm'  107.0
                                    'search_title'  'n':2,3 'rock':1 'roll':4 'suicide':5
                                   '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 'eos':3,8,10 'ifs':7 'n':6 'pl':12 'sced':13 'set':9,11 'songwriter':2
                                    'search_combo'  '00singer':18 '1972':21,22 'and':10C 'bowie':7B 'david':6B 'eos':20,25,27 'fall':11C 'from':16C 'ifs':24 'mars':17C 'n':2A,3A,23 'of':12C 'pl':29 'rise':9C 'rock':1A 'roll':4A 'sced':30 'set':26,28 'songwriter':19 'spiders':15C 'stardust':14C 'suicide':5A 'the':8C 'ziggy':13C
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  8B
                                           '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-2', 'q-syn-2', 'q-chart-4', 'q-other-3', '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'  1637330491.018348  (2021-11-19 15:01:31)
                             'size'  3006052