======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '144'
                                          'artist'  'Kid606 / Lesser'
                                     'text_people'  ''
                                         'release'  'LSR / Kid-606 Split CD'
                                           'title'  'Sentence As Song Title.'
                                           '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-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '126.568'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000902 000006D2 00003563'
'COMM:iTunNORM:eng'                                 (' 00000902 000006D2 00003563 0000327C 0001E5EB 0001E5EB 000070B7 000070B7 '
 '0000011F 000000D0')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000750 0000000000614220 00000000 00581F2F 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))                     '126.568'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Sentence As Song Title.'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lesser'
'TPE2' (Band/orchestra/accompaniment)               'Kid606 / Lesser'
'TRCK' (Track number/Position in set)               '04'
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.57 dB'
'TXXX:replaygain_track_peak'                        '0.541046'

========================== row from database ==========================
                                              'id'  761732
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Collaborations/Kid606 vs Lesser - 1998 - Split (320)/04 Lesser - Sentence As Song Title..mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  144
                                           'genre'  electronic-unsorted
                                        'filesize'  5786072
                                           'mtime'  1638559699
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Collaborations vs 1998 (320) 04 electronic unsorted
                                      'tag_artist'  Kid606 / Lesser
                                     'tag_release'  LSR / Kid-606 Split CD
                                       'tag_title'  Sentence As Song Title.
                                             'bpm'  126.568
                                    'search_title'  'as':2 'sentence':1 'song':3 'title':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':20 '320':21,22 '606':10C 'as':2A 'cd':13C 'collaborations':18 'electronic':23 'hiphop':14 'kid':9C 'kid606':6B,11C 'lesser':7B 'lsr':8C 'rap':15 'rnb':16 'sentence':1A 'song':3A 'split':12C 'title':4A,5A 'turntablism':17 'unsorted':24 'vs':19
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638559699.26911  (2021-12-03 20:28:19)
                             'size'  5786072