======================== unified (from filesystem) ========================
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                                        'duration'  '166'
                                          'artist'  'Hermeto Pascoal'
                                     'text_people'  ''
                                         'release'  'Slaves Mass'
                                           'title'  'That Waltz (Aquela valsa)'
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                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '10'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-newer-experimental or free;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '112.947'
                                             'key'  '5B'
                                        'acoustid'  'd89f312e-7762-47b7-8971-d6778fa24b2f'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '112.947'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-newer-experimental or free',
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'TDOR' (Original release time)                      '1977'
'TDRC' (Recording time)                             '2004-05-03'
'TIT2' (Title/songname/content description)         'That Waltz (Aquela valsa)'
'TKEY' (Initial key)                                '5B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Hermeto Pascoal'
'TPE2' (Band/orchestra/accompaniment)               'Hermeto Pascoal'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Rhino/Warner Bros. Records'
'TRCK' (Track number/Position in set)               '6/10'
'TSO2'                                              'Pascoal, Hermeto'
'TSOP' (Performer sort order)                       'Pascoal, Hermeto'
'TXXX:ASIN'                                         'B0001K2K8O'
'TXXX:Acoustid Id'                                  'd89f312e-7762-47b7-8971-d6778fa24b2f'
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'TXXX:MusicBrainz Album Id'                         '3cd225f7-5614-4077-9093-5fdcdc7955af'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c7a4c4a0-9544-44e3-87f2-5779d18b753f'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['jazz',
 'latin',
 'folk, world, & country',
 'fusion',
 'avant-garde jazz',
 'free improvisation',
 'cumbia',
 'afro-cuban jazz']
'TXXX:lastfmtags'                                   ['fusion', 'jazz', 'brasil', 'experimental', 'brazilian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '1'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.65 dB'
'TXXX:replaygain_track_peak'                        '0.438873'
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========================== row from database ==========================
                                              'id'  760965
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Hermeto Pascoal - Slaves Mass (1977)/06 - That Waltz.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  166
                                           'genre'  prerock-jb-jazz-newer-experimental or free;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  6680988
                                           'mtime'  1621638108
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country (1977) 06 prerock jb jazz newer experimental or free;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Hermeto Pascoal
                                     'tag_release'  Slaves Mass
                                       'tag_title'  That Waltz (Aquela valsa)
                                             'bpm'  112.947
                                    'search_title'  'aquela':3,4 'that':1 'valsa':5,6 'waltz':2
                                   'search_artist'  'hermeto':1 'pascoal':2
                                  'search_release'  'mass':2 'slaves':1
                                     'search_rest'  '1977':5,6 'country':4 'exotica':2 'experimental':10 'free':12,14 'jazz':1 'jb':8 'mor':21 'newer':9 'oldies':3 'or':11 'pl':16 'prerock':7 'set':13,15,18,20 'shirleyspinoza':17,19
                                    'search_combo'  '1977':15,16 'aquela':3A,4A 'country':14 'exotica':12 'experimental':20 'free':22,24 'hermeto':7B 'jazz':11 'jb':18 'mass':10C 'mor':31 'newer':19 'oldies':13 'or':21 'pascoal':8B 'pl':26 'prerock':17 'set':23,25,28,30 'shirleyspinoza':27,29 'slaves':9C 'that':1A 'valsa':5A,6A 'waltz':2A
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-1', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['fusion', 'jazz', 'brasil', 'experimental', 'brazilian']
                                        'tag_date'  2004
                                     'discogstags'  ['jazz', 'latin', 'folk, world, & country', 'fusion', 'avant-garde jazz', 'free improvisation', 'cumbia', 'afro-cuban jazz']

============================== file details ==============================
                                           'mtime'  1621638108.2375698  (2021-05-22 01:01:48)
                             'size'  6680988