======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '168'
                                          'artist'  'Red Caps Trio'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "It's Got A Hole In It"
                                           'quals'  ("['Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                     'discogstags'  "['jazz', 'vocal', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '27'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '87.407'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000324 00000324 00007BFA 00007BFA 0000C41F 0000C41F 00007C51 00007C51 '
 '0000EB1A 0000EB1A')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000828 0000000000717648 00000000 003DB179 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '9312AD1B+358775+27+150+18310+31290+41315+51540+64879+78982+97041+109291+119172+131012+144239+156016+167202+181311+192604+205250+219193+231055+240615+255789+266185+290499+315140+325452+336939+346477'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '16'
'TBPM' (BPM (beats per minute))                     '87.407'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1980'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         "It's Got A Hole In It"
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Red Caps Trio'
'TRCK' (Track number/Position in set)               '16/27'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'vocal', 'swing']
'TXXX:q-bass'                                       '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.53 dB'
'TXXX:replaygain_track_peak'                        '0.577544'

========================== row from database ==========================
                                              'id'  1521809
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Red Caps Trio - It_s Got A Hole In It.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  168
                                           'genre'  set-th-novelty
                                        'filesize'  4050273
                                           'mtime'  1620343090
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] It_s set th novelty
                                      'tag_artist'  Red Caps Trio
                                     'tag_release'  None
                                       'tag_title'  It's Got A Hole In It
                                             'bpm'  87.407
                                    'search_title'  'a':5 'got':4 'hole':6 'in':7 'it':1,8 'its':3 's':2
                                   'search_artist'  'caps':2 'red':1 'trio':3
                                  'search_release'  
                                     'search_rest'  'baby':8,9 'chow':6,7 'country':4 'exotica':2 'it':10 'jazz':1 'novelty':14 'oldies':3 's':11 'set':12 'th':13 'zimelis':5
                                    'search_combo'  'a':5A 'baby':19,20 'caps':10B 'chow':17,18 'country':15 'exotica':13 'got':4A 'hole':6A 'in':7A 'it':1A,8A,21 'its':3A 'jazz':12 'novelty':25 'oldies':14 'red':9B 's':2A,22 'set':23 'th':24 'trio':11B 'zimelis':16
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1980
                                     'discogstags'  ['jazz', 'vocal', 'swing']

============================== file details ==============================
                                           'mtime'  1620343090.1722188  (2021-05-07 01:18:10)
                             'size'  4050273