======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '156'
                                          'artist'  'Nat Shilkret & The Victor Orchestra (as The Troubadors) v/Lewis James'
                                     'text_people'  ''
                                         'release'  'Billboard 1928'
                                           'title'  'Dawn'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '186'
                                      'tracktotal'  ''
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '109.527'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ('Debuted 1928 and peaked at #16 on Various Charts. Source: Pop Memories. '
 'Label/Number: Victor 21097.   \r\n')
'COMM:ID3v1 Comment:XXX'                            'Debuted 1928 and peaked at #16'
'TALB' (Album/Movie/Show title)                     'Billboard 1928'
'TBPM' (BPM (beats per minute))                     '109.527'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1928'
'TENC' (Encoded by)                                 'MusicProf'
'TIT2' (Title/songname/content description)         'Dawn'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nat Shilkret & The Victor Orchestra (as The Troubadors) v/Lewis James'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '186'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'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'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.725814'
'UFID:'                                             UFID(owner='', data=b'XL\x00 1928_186')

========================== row from database ==========================
                                              'id'  978070
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Billboard 1928/1928_186 - Dawn - Nat Shilkret and The Victor Orchestra (vocal by Lewis James).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  156
                                           'genre'  prerock-band
                                        'filesize'  2500522
                                           'mtime'  1620561415
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1928_186 and (vocal by James) prerock band
                                      'tag_artist'  Nat Shilkret & The Victor Orchestra (as The Troubadors) v/Lewis James
                                     'tag_release'  Billboard 1928
                                       'tag_title'  Dawn
                                             'bpm'  109.527
                                    'search_title'  'dawn':1
                                   'search_artist'  'as':6,7 'james':13 'lewis':11 'nat':1 'orchestra':5 'shilkret':2 'the':3 'troubadors':8,9 'v':10 'victor':4 'vlewis':12
                                  'search_release'  '1928':2 'billboard':1
                                     'search_rest'  '186':6 '1928':5 'and':7 'band':14 'by':10 'country':4 'exotica':2 'james':11,12 'jazz':1 'oldies':3 'prerock':13 'vocal':8,9
                                    'search_combo'  '186':22 '1928':16C,21 'and':23 'as':7B,8B 'band':30 'billboard':15C 'by':26 'country':20 'dawn':1A 'exotica':18 'james':14B,27,28 'jazz':17 'lewis':12B 'nat':2B 'oldies':19 'orchestra':6B 'prerock':29 'shilkret':3B 'the':4B 'troubadors':9B,10B 'v':11B 'victor':5B 'vlewis':13B 'vocal':24,25
                                    'tag_tracknum'  186
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1928
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561414.6989279  (2021-05-09 13:56:54)
                             'size'  2500522