======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '4'
                                          'artist'  'Stock, Hausen & Walkman'
                                     'text_people'  ''
                                         'release'  'Giving Up With Stock, Hausen And Walkman'
                                           'title'  'Women'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'avant garde', 'electronic', 'experimental', 'sound collage']"
                                     'discogstags'  "['electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '60'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-experimental-collage'
                                             'bpm'  '144.541'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000888 00000000000323E8 00000000 000234E6 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '60+CAF96323E5B9CB73C467A60012ACF9EC+2081318'
'TALB' (Album/Movie/Show title)                     'Giving Up With Stock, Hausen And Walkman'
'TBPM' (BPM (beats per minute))                     '144.541'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-collage'
'TENC' (Encoded by)                                 'iTunes v7.4.2'
'TIT2' (Title/songname/content description)         'Women'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Stock, Hausen & Walkman'
'TRCK' (Track number/Position in set)               '16/60'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['electronic', 'experimental']
'TXXX:lastfmtags'                                   ['electronica', 'avant garde', 'electronic', 'experimental', 'sound collage']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.82 dB'
'TXXX:replaygain_track_peak'                        '0.281732'

========================== row from database ==========================
                                              'id'  254238
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0experimental_sound_projects/Stock, Hausen & Walkman/giving up with stock, hausen and walkman/16 Women.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  4
                                           'genre'  electronic-experimental-collage
                                        'filesize'  153523
                                           'mtime'  1636920657
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0experimental_sound_projects giving up with stock, hausen and walkman 16 electronic experimental collage
                                      'tag_artist'  Stock, Hausen & Walkman
                                     'tag_release'  Giving Up With Stock, Hausen And Walkman
                                       'tag_title'  Women
                                             'bpm'  144.541
                                    'search_title'  'women':1
                                   'search_artist'  'hausen':3 'stock':1,2 'walkman':4
                                  'search_release'  'and':7 'giving':1 'hausen':6 'stock':4,5 'up':2 'walkman':8 'with':3
                                     'search_rest'  '0experimental':1 'and':10 'collage':14 'electronic':12 'experimental':13 'giving':4 'hausen':9 'projects':3 'sound':2 'stock':7,8 'up':5 'walkman':11 'with':6
                                    'search_combo'  '0experimental':14 'and':12C,23 'collage':27 'electronic':25 'experimental':26 'giving':6C,17 'hausen':4B,11C,22 'projects':16 'sound':15 'stock':2B,3B,9C,10C,20,21 'up':7C,18 'walkman':5B,13C,24 'with':8C,19 'women':1A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  8B
                                           '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-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'avant garde', 'electronic', 'experimental', 'sound collage']
                                        'tag_date'  
                                     'discogstags'  ['electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1636920657.3365939  (2021-11-14 21:10:57)
                             'size'  153523