======================== unified (from filesystem) ========================
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                                        'duration'  '94'
                                          'artist'  'Stock, Hausen & Walkman'
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                                      'lastfmtags'  "['electronica', 'avant garde', 'electronic', 'experimental', 'sound collage']"
                                     'discogstags'  "['electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                     'tracknumber'  '24'
                                      'tracktotal'  '60'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-collage'
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                                             'key'  '12A'
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======================== rawer (from filesystem) ========================

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'TBPM' (BPM (beats per minute))                     '103.325'
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'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '1993'
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'TIT2' (Title/songname/content description)         'A Joke'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Stock, Hausen & Walkman'
'TPE2' (Band/orchestra/accompaniment)               'Stock, Hausen & Walkman'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Hot Air'
'TRCK' (Track number/Position in set)               '24/60'
'TSO2'                                              'Stock, Hausen & Walkman'
'TSOP' (Performer sort order)                       'Stock, Hausen & Walkman'
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'TXXX:Q-LOCALNESS'                                  '1'
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'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'experimental']
'TXXX:lastfmtags'                                   ['electronica', 'avant garde', 'electronic', 'experimental', 'sound collage']
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'TXXX:q-busy'                                       '3'
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'TXXX:q-mixbeat'                                    '1'
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'TXXX:q-piano'                                      '1'
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'TXXX:q-syn'                                        '2'
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'TXXX:replaygain_track_gain'                        '+0.77 dB'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0experimental_sound_projects/Stock, Hausen & Walkman/giving up with stock, hausen and walkman/24 A Joke.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  94
                                           'genre'  electronic-experimental-collage
                                        'filesize'  3041170
                                           'mtime'  1636920658
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                                        'rest_str'   00exnnpjpsprgttidm 0experimental_sound_projects giving up with stock, hausen and walkman 24 electronic experimental collage
                                      'tag_artist'  Stock, Hausen & Walkman
                                     'tag_release'  Giving Up
                                       'tag_title'  A Joke
                                             'bpm'  103.325
                                    'search_title'  'a':1 'joke':2
                                   'search_artist'  'hausen':3 'stock':1,2 'walkman':4
                                  'search_release'  'giving':1 'up':2
                                     'search_rest'  '0experimental':1 '24':12 'and':10 'collage':15 'electronic':13 'experimental':14 'giving':4 'hausen':9 'projects':3 'sound':2 'stock':7,8 'up':5 'walkman':11 'with':6
                                    'search_combo'  '0experimental':9 '24':20 'a':1A 'and':18 'collage':23 'electronic':21 'experimental':22 'giving':7C,12 'hausen':5B,17 'joke':2A 'projects':11 'sound':10 'stock':3B,4B,15,16 'up':8C,13 'walkman':6B,19 'with':14
                                    'tag_tracknum'  24
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'avant garde', 'electronic', 'experimental', 'sound collage']
                                        'tag_date'  1993
                                     'discogstags'  ['electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1636920657.6911447  (2021-11-14 21:10:57)
                             'size'  3041170