======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '199'
                                          'artist'  'Ohio Players'
                                     'text_people'  ''
                                         'release'  'Contradiction'
                                           'title'  "Who'd She Coo"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['disco', 'rhythm and blues', 'soul', 'funk', '70s']"
                                     'discogstags'  "['funk / soul', 'soul', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '112.8'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000004AD 000004BD 00002F85 00003D2E 0002B029 0002CD72 000085CF 00008416 '
 '00028758 000276D0')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000750 0000000000864BA0 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '17+7F39E5649D75C0F6ABF3D6955519215D+750910'
'TALB' (Album/Movie/Show title)                     'Contradiction'
'TBPM' (BPM (beats per minute))                     '112.8'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '1976'
'TENC' (Encoded by)                                 'iTunes v6.0.4'
'TIT2' (Title/songname/content description)         "Who'd She Coo"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ohio Players'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['funk / soul', 'soul', 'funk']
'TXXX:lastfmtags'                                   ['disco', 'rhythm and blues', 'soul', 'funk', '70s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.77 dB'
'TXXX:replaygain_track_peak'                        '0.630543'

========================== row from database ==========================
                                              'id'  1515313
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/ohio players/1976 1 contradiction/b1 ohio players - who_d she coo.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  199
                                           'genre'  funk or soul-funk
                                        'filesize'  6418147
                                           'mtime'  1620665763
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul ohio players 1976 1 contradiction b1 ohio players who_d she coo funk or soul funk
                                      'tag_artist'  Ohio Players
                                     'tag_release'  Contradiction
                                       'tag_title'  Who'd She Coo
                                             'bpm'  112.8
                                    'search_title'  'coo':5 'd':2 'she':4 'who':1 'whod':3
                                   'search_artist'  'ohio':1 'players':2
                                  'search_release'  'contradiction':1
                                     'search_rest'  '1':7 '1976':6 'b1':9 'contradiction':8 'coo':13 'd':11 'funk':2 'ohio':4 'or':14 'players':5 'she':12 'soul':3 'swing':1 'who':10
                                    'search_combo'  '1':15 '1976':14 'b1':17 'contradiction':8C,16 'coo':5A,21 'd':2A,19 'funk':10 'ohio':6B,12 'or':22 'players':7B,13 'she':4A,20 'soul':11 'swing':9 'who':1A,18 'whod':3A
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['disco', 'rhythm and blues', 'soul', 'funk', '70s']
                                        'tag_date'  1976
                                     'discogstags'  ['funk / soul', 'soul', 'funk']

============================== file details ==============================
                                           'mtime'  1620665762.5662036  (2021-05-10 18:56:02)
                             'size'  6418147