======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '224'
                                          'artist'  '10CC'
                                     'text_people'  ''
                                         'release'  'Sheet Music'
                                           'title'  'Baron Samedi'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', 'rock', 'british', '70s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-pop'
                                             'bpm'  '133.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sheet Music'
'TBPM' (BPM (beats per minute))                     '133.7'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-pop'
'TDRC' (Recording time)                             '1974'
'TIT2' (Title/songname/content description)         'Baron Samedi'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               '10CC'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['pop', 'rock', 'british', '70s', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.73 dB'
'TXXX:replaygain_track_peak'                        '0.370036'

========================== row from database ==========================
                                              'id'  726066
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/sheet music [1974]/08. 10CC - Baron Samedi.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  224
                                           'genre'  loc-style-reggae or dub or ska or dancehall-pop
                                        'filesize'  9004754
                                           'mtime'  1620520637
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm sheet music [1974] 08. loc style reggae or dub or ska or dancehall pop
                                      'tag_artist'  10CC
                                     'tag_release'  Sheet Music
                                       'tag_title'  Baron Samedi
                                             'bpm'  133.7
                                    'search_title'  'baron':1 'samedi':2
                                   'search_artist'  '10cc':1
                                  'search_release'  'music':2 'sheet':1
                                     'search_rest'  '08':5,6 '1974':3,4 'dancehall':13 'dub':11 'loc':7 'music':2 'or':10 'pop':14 'reggae':9 'sheet':1 'ska':12 'style':8
                                    'search_combo'  '08':10,11 '10cc':3B '1974':8,9 'baron':1A 'dancehall':18 'dub':16 'loc':12 'music':5C,7 'or':15 'pop':19 'reggae':14 'samedi':2A 'sheet':4C,6 'ska':17 'style':13
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'rock', 'british', '70s', 'classic rock']
                                        'tag_date'  1974
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620520636.83578  (2021-05-09 02:37:16)
                             'size'  9004754