======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '197'
                                          'artist'  'Joan Jett'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1'
                                           'title'  'Crimson and Clover'
                                           'quals'  ("['Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-3', 'q-drums-2', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['80s', 'punk', 'classic rock', 'female vocalists', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '78'
                                      'tracktotal'  ''
                                            'date'  '1982'
                                        'comments'  ''
                                           'genre'  'rock-unsorted;set-pl-billboard'
                                             'bpm'  '146.000'
                                             'key'  ''
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Billboard'
'TALB' (Album/Movie/Show title)                     'Billboard Top Pop Singles of 1'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 ['rock-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1982'
'TIT2' (Title/songname/content description)         'Crimson and Clover'
'TPE1' (Lead performer(s)/Soloist(s))               'Joan Jett'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '78'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['80s', 'punk', 'classic rock', 'female vocalists', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'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'                        '+0.45 dB'
'TXXX:replaygain_track_peak'                        '0.492870'

========================== row from database ==========================
                                              'id'  1312759
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1982__078 - Joan Jett - Crimson and Clover.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  197
                                           'genre'  rock-unsorted;set-pl-billboard
                                        'filesize'  3946384
                                           'mtime'  1678654834
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 1982__078 rock unsorted;set pl billboard
                                      'tag_artist'  Joan Jett
                                     'tag_release'  Billboard Top Pop Singles of 1
                                       'tag_title'  Crimson and Clover
                                             'bpm'  146.0
                                    'search_title'  'and':2 'clover':3 'crimson':1
                                   'search_artist'  'jett':2 'joan':1
                                  'search_release'  '1':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 '078':4 '1982':3 'billboard':11 'pl':10 'rock':5 'set':7,9 'top100':2 'unsorted':6,8
                                    'search_combo'  '00poprockelectronic':12 '078':15 '1':11C '1982':14 'and':2A 'billboard':6C,22 'clover':3A 'crimson':1A 'jett':5B 'joan':4B 'of':10C 'pl':21 'pop':8C 'rock':16 'set':18,20 'singles':9C 'top':7C 'top100':13 'unsorted':17,19
                                    'tag_tracknum'  78
                                      'num_images'  0
                                             'key'  
                                           'quals'  ['Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']
                                      'lastfmtags'  ['80s', 'punk', 'classic rock', 'female vocalists', 'rock']
                                        'tag_date'  1982
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1678654834.2391617  (2023-03-12 22:00:34)
                             'size'  3946384