======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '153'
                                          'artist'  'Boogaloo & His Gallant Crew'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Talk About A Party (Crest, 1955)'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  '["50\'s", \'50s\', \'rock n roll\', "rock\'n\'roll", \'rhythm and blues\']'
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '20'
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '90.817'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 0000115D 00000E37 000087D2 00006EBF 00019C24 00019C24 000085AD 000080F5 '
 '00016CE5 0001DE92')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B04 000000000067026C 00000000 003802C7 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'F50AA814+204756+20+150+11631+21648+30596+38763+47595+58371+69056+81813+93097+102104+112661+124494+135951+145946+155315+165926+177985+186132+195158'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '1'
'TBPM' (BPM (beats per minute))                     '90.817'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1960'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Talk About A Party (Crest, 1955)'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Boogaloo & His Gallant Crew'
'TRCK' (Track number/Position in set)               '1/20'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ["50's", '50s', 'rock n roll', "rock'n'roll", 'rhythm and blues']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.96 dB'
'TXXX:replaygain_track_peak'                        '0.436451'

========================== row from database ==========================
                                              'id'  760888
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Boogaloo & His Gallant Crew - Talk About A Party (Crest, 1955).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  153
                                           'genre'  set-th-novelty
                                        'filesize'  3677871
                                           'mtime'  1620343073
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] set th novelty
                                      'tag_artist'  Boogaloo & His Gallant Crew
                                     'tag_release'  None
                                       'tag_title'  Talk About A Party (Crest, 1955)
                                             'bpm'  90.817
                                    'search_title'  '1955':7,8 'a':3 'about':2 'crest':5,6 'party':4 'talk':1
                                   'search_artist'  'boogaloo':1 'crew':4 'gallant':3 'his':2
                                  'search_release'  
                                     'search_rest'  'baby':8,9 'chow':6,7 'country':4 'exotica':2 'jazz':1 'novelty':12 'oldies':3 'set':10 'th':11 'zimelis':5
                                    'search_combo'  '1955':7A,8A 'a':3A 'about':2A 'baby':20,21 'boogaloo':9B 'chow':18,19 'country':16 'crest':5A,6A 'crew':12B 'exotica':14 'gallant':11B 'his':10B 'jazz':13 'novelty':24 'oldies':15 'party':4A 'set':22 'talk':1A 'th':23 'zimelis':17
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  2A
                                           '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-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ["50's", '50s', 'rock n roll', "rock'n'roll", 'rhythm and blues']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343072.896549  (2021-05-07 01:17:52)
                             'size'  3677871