======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '157'
                                          'artist'  'Norris The Troubadour'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Yamtang Yamtang Rankytang (No Meat Sweet Potato Swing)'
                                           'quals'  ("['Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-1', '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'  '8'
                                      'tracktotal'  '8'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '96.300'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000701 000005CA 000046D7 00003997 0000E8C1 0000E8C1 00007DD6 000070CF '
 '00007C97 00007C97')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008F4 000000000069FCFC 00000000 0039A0A8 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '5E04BF08+91276+8+150+11537+23394+36860+48230+58687+66298+79463'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '8'
'TBPM' (BPM (beats per minute))                     '96.300'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1980'
'TENC' (Encoded by)                                 'iTunes 9.2.1'
'TIT2' (Title/songname/content description)         'Yamtang Yamtang Rankytang (No Meat Sweet Potato Swing)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Norris The Troubadour'
'TRCK' (Track number/Position in set)               '8/8'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'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'                        '+0.56 dB'
'TXXX:replaygain_track_peak'                        '0.578495'

========================== row from database ==========================
                                              'id'  761879
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Norris The Troubadour - Yamtang Yamtang Rankytang (No Meat Sweet Potato Swing).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  157
                                           'genre'  set-th-novelty
                                        'filesize'  3783822
                                           'mtime'  1620343088
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] set th novelty
                                      'tag_artist'  Norris The Troubadour
                                     'tag_release'  None
                                       'tag_title'  Yamtang Yamtang Rankytang (No Meat Sweet Potato Swing)
                                             'bpm'  96.3
                                    'search_title'  'meat':5 'no':3,4 'potato':7 'rankytang':2 'sweet':6 'swing':8,9 'yamtang':1
                                   'search_artist'  'norris':1 'the':2 'troubadour':3
                                  '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'  'baby':20,21 'chow':18,19 'country':16 'exotica':14 'jazz':13 'meat':5A 'no':3A,4A 'norris':10B 'novelty':24 'oldies':15 'potato':7A 'rankytang':2A 'set':22 'sweet':6A 'swing':8A,9A 'th':23 'the':11B 'troubadour':12B 'yamtang':1A 'zimelis':17
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343088.3717134  (2021-05-07 01:18:08)
                             'size'  3783822