======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '214'
                                          'artist'  'Ruth Etting'
                                     'text_people'  ''
                                         'release'  'Billboard 1928'
                                           'title'  'Sonny Boy'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['20s', 'jazz', 'oldies', '30s', 'female vocalists', 'roaring 20s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '063'
                                      'tracktotal'  ''
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-jb-unsorted'
                                             'bpm'  '95.483'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 12/1/2028 and peaked at #6 on Various Charts. source Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 12/1/2028 and peaked'
'TALB' (Album/Movie/Show title)                     'Billboard 1928'
'TBPM' (BPM (beats per minute))                     '95.483'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-unsorted'
'TDRC' (Recording time)                             '1928'
'TIT2' (Title/songname/content description)         'Sonny Boy'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ruth Etting'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '063'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['20s', 'jazz', 'oldies', '30s', 'female vocalists', 'roaring 20s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.19 dB'
'TXXX:replaygain_track_peak'                        '0.703123'

========================== row from database ==========================
                                              'id'  978440
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Billboard 1928/1928_063 - Ruth Etting - Sonny Boy (128 M 3.34).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  214
                                           'genre'  prerock-jb-unsorted
                                        'filesize'  3443482
                                           'mtime'  1620528238
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1928_063 (128 M 3.34) prerock jb unsorted
                                      'tag_artist'  Ruth Etting
                                     'tag_release'  Billboard 1928
                                       'tag_title'  Sonny Boy
                                             'bpm'  95.483
                                    'search_title'  'boy':2 'sonny':1
                                   'search_artist'  'etting':2 'ruth':1
                                  'search_release'  '1928':2 'billboard':1
                                     'search_rest'  '063':6 '128':7,8 '1928':5 '3':10 '334':12 '34':11 'country':4 'exotica':2 'jazz':1 'jb':14 'm':9 'oldies':3 'prerock':13 'unsorted':15
                                    'search_combo'  '063':12 '128':13,14 '1928':6C,11 '3':16 '334':18 '34':17 'billboard':5C 'boy':2A 'country':10 'etting':4B 'exotica':8 'jazz':7 'jb':20 'm':15 'oldies':9 'prerock':19 'ruth':3B 'sonny':1A 'unsorted':21
                                    'tag_tracknum'  63
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['20s', 'jazz', 'oldies', '30s', 'female vocalists', 'roaring 20s']
                                        'tag_date'  1928
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528237.8004842  (2021-05-09 04:43:57)
                             'size'  3443482