======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '146'
                                          'artist'  'Noble Watts'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Hot Tamales'
                                           'quals'  ("['Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '15'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '128.740'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000003B3 000003C1 000011DE 00001143 0000DF43 0000DF43 00004326 000047A1 '
 '0000E9AC 0000E9AC')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009C0 00000000006283B0 00000000 00358FD7 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'C508760F+162625+15+150+11001+21340+32651+45061+57352+67354+77358+87458+97035+108336+118217+128805+139785+150617'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '13'
'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)         'Hot Tamales'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Noble Watts'
'TRCK' (Track number/Position in set)               '13/15'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'blues']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.99 dB'
'TXXX:replaygain_track_peak'                        '0.464784'

========================== row from database ==========================
                                              'id'  769573
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Noble Watts - Hot Tamales.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  146
                                           'genre'  set-th-novelty
                                        'filesize'  3517375
                                           'mtime'  1620343088
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] set th novelty
                                      'tag_artist'  Noble Watts
                                     'tag_release'  None
                                       'tag_title'  Hot Tamales
                                             'bpm'  128.74
                                    'search_title'  'hot':1 'tamales':2
                                   'search_artist'  'noble':1 'watts':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'  'baby':12,13 'chow':10,11 'country':8 'exotica':6 'hot':1A 'jazz':5 'noble':3B 'novelty':16 'oldies':7 'set':14 'tamales':2A 'th':15 'watts':4B 'zimelis':9
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'blues']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343088.3174205  (2021-05-07 01:18:08)
                             'size'  3517375