======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '49'
                                          'artist'  'NRBQ'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Mayonnaise And Marmalade 1'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-OLDST-2', 'Q-HHRNBTT-2', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  ("['rock and roll', 'cheezing out and loving it', 'piano', 'rhythm and blues', "
 "'rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '23'
                                      'tracktotal'  '28'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '128.740'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000003C1 0000021D 00003CB7 000024F2 000063CB 000063CB 0000836A 00007C9B '
 '00001292 00001292')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B34 00000000002134BC 00000000 001205E1 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'AE113E1C+331273+28+150+9529+26239+40387+57923+74802+85451+104709+119593+134947+146923+159828+169653+183595+195001+209136+225442+240514+257467+270451+284350+302338+306310+310011+311926+314904+317521+320831'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '23'
'TBPM' (BPM (beats per minute))                     '128.740'
'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)         'Mayonnaise And Marmalade 1'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'NRBQ'
'TRCK' (Track number/Position in set)               '23/28'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock and roll',
 'cheezing out and loving it',
 'piano',
 'rhythm and blues',
 'rock']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-1.25 dB'
'TXXX:replaygain_track_peak'                        '0.856658'

========================== row from database ==========================
                                              'id'  770681
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/NRBQ - Mayonnaise And Marmalade 1.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  49
                                           'genre'  set-th-novelty
                                        'filesize'  1188298
                                           'mtime'  1620343088
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] set th novelty
                                      'tag_artist'  NRBQ
                                     'tag_release'  None
                                       'tag_title'  Mayonnaise And Marmalade 1
                                             'bpm'  128.74
                                    'search_title'  '1':4 'and':2 'marmalade':3 'mayonnaise':1
                                   'search_artist'  'nrbq':1
                                  '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'  '1':4A 'and':2A 'baby':13,14 'chow':11,12 'country':9 'exotica':7 'jazz':6 'marmalade':3A 'mayonnaise':1A 'novelty':17 'nrbq':5B 'oldies':8 'set':15 'th':16 'zimelis':10
                                    'tag_tracknum'  23
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-2', '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-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'cheezing out and loving it', 'piano', 'rhythm and blues', 'rock']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343088.1858945  (2021-05-07 01:18:08)
                             'size'  1188298