======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '178'
                                          'artist'  'Billy Murray'
                                     'text_people'  ''
                                         'release'  'Columbia  2757 (78428) a'
                                           'title'  "And That Ain't All -4-1919"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['all', 'really really oldies', 'music hall', 'vaudeville', 'real oldies', "
 "'gramophone']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'prerock-vaudeville'
                                             'bpm'  '144.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Columbia  2757 (78428) a'
'TBPM' (BPM (beats per minute))                     '144.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vaudeville'
'TDRC' (Recording time)                             '1919'
'TIT2' (Title/songname/content description)         "And That Ain't All -4-1919"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '178000'
'TPE1' (Lead performer(s)/Soloist(s))               'Billy Murray'
'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',
 'really really oldies',
 'music hall',
 'vaudeville',
 'real oldies',
 'gramophone']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.405841'

========================== row from database ==========================
                                              'id'  1496150
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/veryearly/1919/Billy Murray - And That Ain_t All -4-1919.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  178
                                           'genre'  prerock-vaudeville
                                        'filesize'  3612026
                                           'mtime'  1620666526
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm veryearly Ain_t prerock vaudeville
                                      'tag_artist'  Billy Murray
                                     'tag_release'  Columbia  2757 (78428) a
                                       'tag_title'  And That Ain't All -4-1919
                                             'bpm'  144.9
                                    'search_title'  '1919':8 '4':7 '41919':9 'ain':3 'aint':5 'all':6 'and':1 't':4 'that':2
                                   'search_artist'  'billy':1 'murray':2
                                  'search_release'  '2757':2 '78428':3,4 'a':5 'columbia':1
                                     'search_rest'  'ain':2 'prerock':4 't':3 'vaudeville':5 'veryearly':1
                                    'search_combo'  '1919':8A '2757':13C '4':7A '41919':9A '78428':14C,15C 'a':16C 'ain':3A,18 'aint':5A 'all':6A 'and':1A 'billy':10B 'columbia':12C 'murray':11B 'prerock':20 't':4A,19 'that':2A 'vaudeville':21 'veryearly':17
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['all', 'really really oldies', 'music hall', 'vaudeville', 'real oldies', 'gramophone']
                                        'tag_date'  1919
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666526.097489  (2021-05-10 19:08:46)
                             'size'  3612026