======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '338'
                                          'artist'  'Kid606 / Lesser'
                                     'text_people'  ''
                                         'release'  'LSR / Kid-606 Split CD'
                                           'title'  'Kid (606) Tested; Mother (LSR) Approved'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '106.756'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000042C2 00004593 0002EFC9'
'COMM:iTunNORM:eng'                                 (' 000042C2 00004593 0002EFC9 0002AF11 00027682 0002847D 00007212 00007212 '
 '00002D4E 0000D958')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000AE0 0000000000E37F90 00000000 00CE4415 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '16+CC3055798715CB093A25E81885F21C8E+538676'
'TALB' (Album/Movie/Show title)                     'LSR / Kid-606 Split CD'
'TBPM' (BPM (beats per minute))                     '106.756'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Kid (606) Tested; Mother (LSR) Approved'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lesser'
'TPE2' (Band/orchestra/accompaniment)               'Kid606 / Lesser'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:other'                                        'Lesser'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.82 dB'
'TXXX:replaygain_track_peak'                        '0.181401'

========================== row from database ==========================
                                              'id'  769649
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Collaborations/Kid606 vs Lesser - 1998 - Split (320)/06 Lesser - Kid (606) Tested; Mother (LSR) Approved.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  338
                                           'genre'  electronic-unsorted
                                        'filesize'  13528765
                                           'mtime'  1638559699
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Collaborations vs 1998 (320) electronic unsorted
                                      'tag_artist'  Kid606 / Lesser
                                     'tag_release'  LSR / Kid-606 Split CD
                                       'tag_title'  Kid (606) Tested; Mother (LSR) Approved
                                             'bpm'  106.756
                                    'search_title'  '606':2,3 'approved':9 'kid':1 'lsr':7,8 'mother':6 'tested':4,5
                                   'search_artist'  'kid606':1 'lesser':2
                                  'search_release'  '606':3 'cd':6 'kid':2 'kid606':4 'lsr':1 'split':5
                                     'search_rest'  '1998':7 '320':8,9 'collaborations':5 'electronic':10 'hiphop':1 'rap':2 'rnb':3 'turntablism':4 'unsorted':11 'vs':6
                                    'search_combo'  '1998':24 '320':25,26 '606':2A,3A,14C 'approved':9A 'cd':17C 'collaborations':22 'electronic':27 'hiphop':18 'kid':1A,13C 'kid606':10B,15C 'lesser':11B 'lsr':7A,8A,12C 'mother':6A 'rap':19 'rnb':20 'split':16C 'tested':4A,5A 'turntablism':21 'unsorted':28 'vs':23
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638559699.3162675  (2021-12-03 20:28:19)
                             'size'  13528765