======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '267'
                                          'artist'  'The Zeet Band'
                                     'text_people'  ''
                                         'release'  'Moogie Woogie'
                                           'title'  'Inside'
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                                      'lastfmtags'  "['blues rock', 'psychedelic rock', 'rock']"
                                     'discogstags'  ("['electronic', 'rock', 'funk / soul', 'blues', 'pop', 'electric blues', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '12'
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early;mi-earlysynth-moog;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '131.4'
                                             'key'  '4A'
                                        'acoustid'  'd9d66664-e4aa-487c-bda4-7a50ddfbf9de'
rest: ''

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

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'COMM:iTunPGAP:eng'                                 '0/'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A98 0000000000B42DD8 00000000 0082AD10 00000000 '
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'COMM:iTunes_CDDB_1:eng'                            'A8079A0C+146159+12+150+14744+22125+34440+45790+59508+74505+82926+94852+104553+117370+126077'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '12'
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'TBPM' (BPM (beats per minute))                     '131.4'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-early',
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'TDRC' (Recording time)                             '1969'
'TENC' (Encoded by)                                 'iTunes 10.2.2'
'TIT2' (Title/songname/content description)         'Inside'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'The Zeet Band'
'TPE2' (Band/orchestra/accompaniment)               'The Zeet Band'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Chess'
'TRCK' (Track number/Position in set)               '12/12'
'TSO2'                                              'Zeet Band, The'
'TSOP' (Performer sort order)                       'Zeet Band, The'
'TXXX:Acoustid Id'                                  'd9d66664-e4aa-487c-bda4-7a50ddfbf9de'
'TXXX:Artists'                                      'The Zeet Band'
'TXXX:CATALOGNUMBER'                                'LPS-1545'
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'TXXX:MusicBrainz Album Id'                         'f57eb1ca-753e-43cd-b52e-1e1a697fe392'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e9fc1c72-cc22-4d5f-9194-b21158824ee6'
'TXXX:MusicBrainz Release Group Id'                 'fba19c6d-1d86-47f3-b674-c775f89ea155'
'TXXX:MusicBrainz Release Track Id'                 'af11efdf-1978-3d49-8585-b218e86e3b14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic',
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 'funk / soul',
 'blues',
 'pop',
 'electric blues',
 'psychedelic rock',
 'avantgarde',
 'experimental']
'TXXX:lastfmtags'                                   ['blues rock', 'psychedelic rock', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.70 dB'
'TXXX:replaygain_track_peak'                        '0.710394'
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========================== row from database ==========================
                                              'id'  1381656
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Zeet Band - 1969 - MOOGIE WOOGIE/12 Inside.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  267
                                           'genre'  electronic-experimental-early;mi-earlysynth-moog;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  8582604
                                           'mtime'  1639510560
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1969 MOOGIE WOOGIE 12 electronic experimental early;mi earlysynth moog;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  The Zeet Band
                                     'tag_release'  Moogie Woogie
                                       'tag_title'  Inside
                                             'bpm'  131.4
                                    'search_title'  'inside':1
                                   'search_artist'  'band':3 'the':1 'zeet':2
                                  'search_release'  'moogie':1 'woogie':2
                                     'search_rest'  '1969':1 'early':6,8 'earlysynth':10 'electronic':4 'experimental':5 'mi':7,9 'moog':11,13 'moogie':2 'mor':20 'pl':15 'set':12,14,17,19 'shirleyspinoza':16,18 'woogie':3
                                    'search_combo'  '1969':7 'band':4B 'early':12,14 'earlysynth':16 'electronic':10 'experimental':11 'inside':1A 'mi':13,15 'moog':17,19 'moogie':5C,8 'mor':26 'pl':21 'set':18,20,23,25 'shirleyspinoza':22,24 'the':2B 'woogie':6C,9 'zeet':3B
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-4', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues rock', 'psychedelic rock', 'rock']
                                        'tag_date'  1969
                                     'discogstags'  ['electronic', 'rock', 'funk / soul', 'blues', 'pop', 'electric blues', 'psychedelic rock', 'avantgarde', 'experimental']

============================== file details ==============================
                                           'mtime'  1639510559.681055  (2021-12-14 20:35:59)
                             'size'  8582604