======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '144'
                                          'artist'  'Benny Ingram'
                                     'text_people'  ''
                                         'release'  'Bandera -- White Bucks To Stetson'
                                           'title'  'Jello Sal'
                                           'quals'  ("['Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-syn-1', "
 "'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  ('[\'rockabilly\', \'rock and roll\', "rock\'n\'roll", \'50s rock n roll\', '
 '"50\'s"]')
                                     'discogstags'  "['rockabilly', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '24'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '98.886'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00001638 00001638 000075C9 000075C9 00002ED6 00002ED6 00007D6F 00007D6E '
 '00015C29 00015C29')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007C8 0000000000612B28 00000000 0034D344 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '24+F22A1D510BBE9594536549AF3667415E+1941660'
'TALB' (Album/Movie/Show title)                     'Bandera -- White Bucks To Stetson'
'TBPM' (BPM (beats per minute))                     '98.886'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '2001'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Jello Sal'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Benny Ingram'
'TRCK' (Track number/Position in set)               '1/24'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rockabilly', 'rock']
'TXXX:lastfmtags'                                   ['rockabilly', 'rock and roll', "rock'n'roll", '50s rock n roll', "50's"]
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.26 dB'
'TXXX:replaygain_track_peak'                        '0.347951'

========================== row from database ==========================
                                              'id'  764377
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Benny Ingram Jello Sal.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  144
                                           'genre'  set-th-novelty
                                        'filesize'  3469194
                                           'mtime'  1620343070
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] set th novelty
                                      'tag_artist'  Benny Ingram
                                     'tag_release'  Bandera -- White Bucks To Stetson
                                       'tag_title'  Jello Sal
                                             'bpm'  98.886
                                    'search_title'  'jello':1 'sal':2
                                   'search_artist'  'benny':1 'ingram':2
                                  'search_release'  'bandera':1 'bucks':3 'stetson':5 'to':4 'white':2
                                     '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':17,18 'bandera':5C 'benny':3B 'bucks':7C 'chow':15,16 'country':13 'exotica':11 'ingram':4B 'jazz':10 'jello':1A 'novelty':21 'oldies':12 'sal':2A 'set':19 'stetson':9C 'th':20 'to':8C 'white':6C 'zimelis':14
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-1', 'q-chart-2', 'q-other-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rockabilly', 'rock and roll', "rock'n'roll", '50s rock n roll', "50's"]
                                        'tag_date'  2001
                                     'discogstags'  ['rockabilly', 'rock']

============================== file details ==============================
                                           'mtime'  1620343070.290247  (2021-05-07 01:17:50)
                             'size'  3469194