======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '168'
                                          'artist'  'Lenny Carson & The Whiz Kids'
                                     'text_people'  ''
                                         'release'  'sweets'
                                           'title'  'Molasses, Molasses (Discovery, 1950)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '21'
                                            'date'  '1950'
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '143.721'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000995 0000097D 00004F15 00004F0F 0000F80F 0000F80F 00006C85 00006C0A '
 '00021FFA 00021FFA')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008A0 0000000000715F50 00000000 003DA53A 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '300DF915+268446+21+150+14684+28376+40340+50403+70805+83441+96237+107813+123313+134859+147406+157287+169155+191541+200576+210992+225910+237166+248032+259006'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '6'
'TALB' (Album/Movie/Show title)                     'sweets'
'TBPM' (BPM (beats per minute))                     '143.721'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TDRC' (Recording time)                             '1950'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Molasses, Molasses (Discovery, 1950)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lenny Carson & The Whiz Kids'
'TRCK' (Track number/Position in set)               '6/21'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.32 dB'
'TXXX:replaygain_track_peak'                        '0.425314'

========================== row from database ==========================
                                              'id'  736068
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Lenny Carson & The Whiz Kids - Molasses, Molasses (Discovery, 1950).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  168
                                           'genre'  set-th-candy
                                        'filesize'  4047137
                                           'mtime'  1620343119
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country set th candy
                                      'tag_artist'  Lenny Carson & The Whiz Kids
                                     'tag_release'  sweets
                                       'tag_title'  Molasses, Molasses (Discovery, 1950)
                                             'bpm'  143.721
                                    'search_title'  '1950':5,6 'discovery':3,4 'molasses':1,2
                                   'search_artist'  'carson':2 'kids':5 'lenny':1 'the':3 'whiz':4
                                  'search_release'  'sweets':1
                                     'search_rest'  'candy':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'set':5 'th':6
                                    'search_combo'  '1950':5A,6A 'candy':19 'carson':8B 'country':16 'discovery':3A,4A 'exotica':14 'jazz':13 'kids':11B 'lenny':7B 'molasses':1A,2A 'oldies':15 'set':17 'sweets':12C 'th':18 'the':9B 'whiz':10B
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1950
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343118.8321686  (2021-05-07 01:18:38)
                             'size'  4047137