======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '177'
                                          'artist'  'Ted Lewis & His Band'
                                     'text_people'  ''
                                         'release'  'Billboard 1928'
                                           'title'  'Mary Ann'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'jazz', 'bmrs old jazz', 'old jazz', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '106'
                                      'tracktotal'  ''
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-klezmer'
                                             'bpm'  '144.955'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1928 and peaked at #10 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1928 and peaked at #'
'TALB' (Album/Movie/Show title)                     'Billboard 1928'
'TBPM' (BPM (beats per minute))                     '144.955'
'TCON' (Content type, a.k.a. Genre)                 'prerock-klezmer'
'TDRC' (Recording time)                             '1928'
'TIT2' (Title/songname/content description)         'Mary Ann'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ted Lewis & His Band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '106'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['all', 'jazz', 'bmrs old jazz', 'old jazz', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.79 dB'
'TXXX:replaygain_track_peak'                        '0.583363'

========================== row from database ==========================
                                              'id'  978214
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Billboard 1928/1928_106 - Ted Lewis & His Band - Mary Ann 112 M (2.57).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  177
                                           'genre'  prerock-klezmer
                                        'filesize'  2493513
                                           'mtime'  1620528298
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1928_106 112 (2.57) prerock klezmer
                                      'tag_artist'  Ted Lewis & His Band
                                     'tag_release'  Billboard 1928
                                       'tag_title'  Mary Ann
                                             'bpm'  144.955
                                    'search_title'  'ann':2 'mary':1
                                   'search_artist'  'band':4 'his':3 'lewis':2 'ted':1
                                  'search_release'  '1928':2 'billboard':1
                                     'search_rest'  '106':6 '112':7 '1928':5 '2':8 '257':10 '57':9 'country':4 'exotica':2 'jazz':1 'klezmer':12 'oldies':3 'prerock':11
                                    'search_combo'  '106':14 '112':15 '1928':8C,13 '2':16 '257':18 '57':17 'ann':2A 'band':6B 'billboard':7C 'country':12 'exotica':10 'his':5B 'jazz':9 'klezmer':20 'lewis':4B 'mary':1A 'oldies':11 'prerock':19 'ted':3B
                                    'tag_tracknum'  106
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['all', 'jazz', 'bmrs old jazz', 'old jazz', 'swing']
                                        'tag_date'  1928
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528297.9254642  (2021-05-09 04:44:57)
                             'size'  2493513