======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '166'
                                          'artist'  'Al Bowlly AMBROSE'
                                     'text_people'  ''
                                         'release'  'UK'
                                           'title'  'Unless*(1934)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', '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-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', '30s', 'oldies', 'crooner', 'british']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '121.848'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'UK'
'TBPM' (BPM (beats per minute))                     '121.848'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'Unless*(1934)'
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '166112'
'TPE1' (Lead performer(s)/Soloist(s))               'Al Bowlly AMBROSE'
'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'                                   ['jazz', '30s', 'oldies', 'crooner', 'british']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '+1.32 dB'
'TXXX:replaygain_track_peak'                        '0.481128'

========================== row from database ==========================
                                              'id'  1136500
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Ambrose Mayfair Hotel Orchestra, Al Bowlly - Unless 1934.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  166
                                           'genre'  prerock-vocal
                                        'filesize'  2666105
                                           'mtime'  1620666344
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920s and 1930s popular Ambrose Mayfair Hotel Orchestra, prerock vocal
                                      'tag_artist'  Al Bowlly AMBROSE
                                     'tag_release'  UK
                                       'tag_title'  Unless*(1934)
                                             'bpm'  121.848
                                    'search_title'  '1934':2 'unless':1 'unless1934':3
                                   'search_artist'  'al':1 'ambrose':3 'bowlly':2
                                  'search_release'  'uk':1
                                     'search_rest'  '00oldiepop':5 '1920s':6 '1930s':8 'ambrose':10 'and':7 'country':4 'exotica':2 'hotel':12 'jazz':1 'mayfair':11 'oldies':3 'orchestra':13,14 'popular':9 'prerock':15 'vocal':16
                                    'search_combo'  '00oldiepop':12 '1920s':13 '1930s':15 '1934':2A 'al':4B 'ambrose':6B,17 'and':14 'bowlly':5B 'country':11 'exotica':9 'hotel':19 'jazz':8 'mayfair':18 'oldies':10 'orchestra':20,21 'popular':16 'prerock':22 'uk':7C 'unless':1A 'unless1934':3A 'vocal':23
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5A
                                           '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-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jazz', '30s', 'oldies', 'crooner', 'british']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666344.1491122  (2021-05-10 19:05:44)
                             'size'  2666105