======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '159'
                                          'artist'  'The Fabulous Little Joe'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Lies, Trouble And Love'
                                           'quals'  ("['Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '33'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-spelling'
                                             'bpm'  '119.971'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000409 000005C0 000043E8 0000560D 00014EB1 00014EE5 0000808A 000082B1 '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007D4 00000000006B109C 00000000 003A360B 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '0511FF21+345738+33+150+10858+20548+30363+40195+50214+58465+73317+83278+93100+102548+112823+123005+134938+143812+155141+164160+174994+185625+197033+206137+217191+227520+238372+248681+258018+267773+277956+288526+299119+311585+322027+336398'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '13'
'TBPM' (BPM (beats per minute))                     '119.971'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-spelling'
'TENC' (Encoded by)                                 'iTunes 11.0.5'
'TIT2' (Title/songname/content description)         'Lies, Trouble And Love'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Fabulous Little Joe'
'TRCK' (Track number/Position in set)               '13/33'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.95 dB'
'TXXX:replaygain_track_peak'                        '0.596448'

========================== row from database ==========================
                                              'id'  760527
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/The Fabulous Little Joe - Lies, Trouble And Love.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  159
                                           'genre'  set-pl-spelling
                                        'filesize'  3822068
                                           'mtime'  1620356421
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling set pl spelling
                                      'tag_artist'  The Fabulous Little Joe
                                     'tag_release'  None
                                       'tag_title'  Lies, Trouble And Love
                                             'bpm'  119.971
                                    'search_title'  'and':4 'lies':1,2 'love':5 'trouble':3
                                   'search_artist'  'fabulous':2 'joe':4 'little':3 'the':1
                                  'search_release'  
                                     'search_rest'  '0novelty':2 '0playlists':1 'pl':6 'set':5 'spelling':4 'themes':3
                                    'search_combo'  '0novelty':11 '0playlists':10 'and':4A 'fabulous':7B 'joe':9B 'lies':1A,2A 'little':8B 'love':5A 'pl':15 'set':14 'spelling':13 'the':6B 'themes':12 'trouble':3A
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1620356420.8819377  (2021-05-07 05:00:20)
                             'size'  3822068