======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '191'
                                          'artist'  'Glen Gray & Casa Loma Orchestra'
                                     'text_people'  ''
                                         'release'  '78 rpm Brn 6886'
                                           'title'  'Limehouse Blues'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['stoned sea breeze hammock afternoon']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '144.748'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1934 and peaked at #20 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1934 and peaked at #20'
'TALB' (Album/Movie/Show title)                     '78 rpm Brn 6886'
'TBPM' (BPM (beats per minute))                     '144.748'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'Limehouse Blues'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Glen Gray & Casa Loma Orchestra'
'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:lastfmtags'                                   'stoned sea breeze hammock afternoon'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                        '+2.49 dB'
'TXXX:replaygain_track_peak'                        '0.529565'

========================== row from database ==========================
                                              'id'  1455592
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/Limehouse blues - Glen Gray and The Casa Loma Orchestra.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  191
                                           'genre'  prerock-band
                                        'filesize'  2299137
                                           'mtime'  1620560257
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 blues and The prerock band
                                      'tag_artist'  Glen Gray & Casa Loma Orchestra
                                     'tag_release'  78 rpm Brn 6886
                                       'tag_title'  Limehouse Blues
                                             'bpm'  144.748
                                    'search_title'  'blues':2 'limehouse':1
                                   'search_artist'  'casa':3 'glen':1 'gray':2 'loma':4 'orchestra':5
                                  'search_release'  '6886':4 '78':1 'brn':3 'rpm':2
                                     'search_rest'  '00oldiepop':5 '1934':6 'and':8 'band':11 'blues':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':10 'the':9
                                    'search_combo'  '00oldiepop':16 '1934':17 '6886':11C '78':8C 'and':19 'band':22 'blues':2A,18 'brn':10C 'casa':5B 'country':15 'exotica':13 'glen':3B 'gray':4B 'jazz':12 'limehouse':1A 'loma':6B 'oldies':14 'orchestra':7B 'prerock':21 'rpm':9C 'the':20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           '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-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['stoned sea breeze hammock afternoon']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560257.453866  (2021-05-09 13:37:37)
                             'size'  2299137