======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '186'
                                          'artist'  'Ray Miller'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'From One Till Two'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-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-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['schellack schatz', 'akkordeon', 'deutsch', 'schlager oldies', 'schlager']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1924'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '103.748'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '103.748'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1924'
'TIT2' (Title/songname/content description)         'From One Till Two'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ray Miller'
'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:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['schellack schatz', 'akkordeon', 'deutsch', 'schlager oldies', 'schlager']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.31 dB'
'TXXX:replaygain_track_peak'                        '0.605861'

========================== row from database ==========================
                                              'id'  1453916
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1924/Ray Miller - From one till two 23-4-1924.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  186
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3731151
                                           'mtime'  1620525724
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1924 one till two 23 4 1924 prerock jb jazz unsorted
                                      'tag_artist'  Ray Miller
                                     'tag_release'  None
                                       'tag_title'  From One Till Two
                                             'bpm'  103.748
                                    'search_title'  'from':1 'one':2 'till':3 'two':4
                                   'search_artist'  'miller':2 'ray':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1924':6 '23':10 '4':11 'country':4 'exotica':2 'jazz':1 'jb':13 'oldies':3 'one':7 'prerock':12 'till':8 'two':9 'unsorted':14
                                    'search_combo'  '00oldiepop':11 '1924':12 '23':16 '4':17 'country':10 'exotica':8 'from':1A 'jazz':7 'jb':19 'miller':6B 'oldies':9 'one':2A,13 'prerock':18 'ray':5B 'till':3A,14 'two':4A,15 'unsorted':20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['schellack schatz', 'akkordeon', 'deutsch', 'schlager oldies', 'schlager']
                                        'tag_date'  1924
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1620525723.5227375  (2021-05-09 04:02:03)
                             'size'  3731151