======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '484'
                                          'artist'  'Pauline Oliveros'
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                                         'release'  'OHM: The Early Gurus of Electronic Music'
                                           'title'  'Bye Bye Butterfly'
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                                      'lastfmtags'  ("['experimental', 'avant-garde', 'contemporary classical', 'electronic', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '13'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early'
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                                             'key'  '2A'
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rest: ''

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

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'TBPM' (BPM (beats per minute))                     '107.1'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-early'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-04-25'
'TIT2' (Title/songname/content description)         'Bye Bye Butterfly'
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Pauline Oliveros'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/3'
'TPUB' (Publisher)                                  'Ellipsis Arts...'
'TRCK' (Track number/Position in set)               '3/13'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Oliveros, Pauline'
'TXXX:ASIN'                                         'B00004T0FZ'
'TXXX:Acoustid Id'                                  'edd6fe65-b4a6-4b30-9450-413183541055'
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'TXXX:CATALOGNUMBER'                                'CD3670'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '3e61da6a-6b77-3c92-b70e-ae170da0e0e3'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '62c31c9d-d2d9-4b2a-9549-4be129e9559a'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
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'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['experimental',
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'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.56 dB'
'TXXX:replaygain_track_peak'                        '0.499409'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2c3d817f-769a-4961-9889-2b1b0addcc58')

========================== row from database ==========================
                                              'id'  394733
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Ohm - Early Gurus of Electronic Music/Disc 2/03 - pauline oliveros - bye bye butterfly (1965).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  484
                                           'genre'  electronic-experimental-early
                                        'filesize'  11633041
                                           'mtime'  1636921059
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Ohm Disc 2 03 pauline oliveros bye bye butterfly (1965) electronic experimental early
                                      'tag_artist'  Pauline Oliveros
                                     'tag_release'  OHM: The Early Gurus of Electronic Music
                                       'tag_title'  Bye Bye Butterfly
                                             'bpm'  107.1
                                    'search_title'  'butterfly':2 'bye':1
                                   'search_artist'  'oliveros':2 'pauline':1
                                  'search_release'  'early':4 'electronic':7 'gurus':5 'music':8 'of':6 'ohm':1,2 'the':3
                                     'search_rest'  '1965':8,9 '2':3 'butterfly':7 'bye':6 'disc':2 'early':12 'electronic':10 'experimental':11 'ohm':1 'oliveros':5 'pauline':4
                                    'search_combo'  '1965':20,21 '2':15 'butterfly':2A,19 'bye':1A,18 'disc':14 'early':8C,24 'electronic':11C,22 'experimental':23 'gurus':9C 'music':12C 'of':10C 'ohm':5C,6C,13 'oliveros':4B,17 'pauline':3B,16 'the':7C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['experimental', 'avant-garde', 'contemporary classical', 'electronic', 'ambient']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636921059.03522  (2021-11-14 21:17:39)
                             'size'  11633041