======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '209'
                                          'artist'  'Ivor Moreton & Dave Kaye Piano Duet'
                                     'text_people'  ''
                                         'release'  'Parlophone F 1942'
                                           'title'  'Tin Pan Alley Medley No 48 (-8-1942)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1942'
                                        'comments'  ''
                                           'genre'  'prerock-instrumental'
                                             'bpm'  '116.386'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'None'
'COMM:MusicMatch_Tempo:eng'                         'None'
'GEOB:SfMarkers'                                    GEOB(encoding=<Encoding.LATIN1: 0>, mime='', filename='', desc='SfMarkers', data=b'\x0c\x00\x00\x00d\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Parlophone F 1942'
'TBPM' (BPM (beats per minute))                     '116.386'
'TCON' (Content type, a.k.a. Genre)                 'prerock-instrumental'
'TDRC' (Recording time)                             '1942'
'TIT2' (Title/songname/content description)         'Tin Pan Alley Medley No 48 (-8-1942)'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '209000'
'TPE1' (Lead performer(s)/Soloist(s))               'Ivor Moreton & Dave Kaye Piano Duet'
'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:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'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'                        '+1.26 dB'
'TXXX:replaygain_track_peak'                        '0.553312'

========================== row from database ==========================
                                              'id'  1452819
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1942/Ivor Moreton & Dave Kaye piano duet - Tin Pan Alley Medley No 48 (-8-1942).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  209
                                           'genre'  prerock-instrumental
                                        'filesize'  4283413
                                           'mtime'  1621705396
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop piano duet prerock instrumental
                                      'tag_artist'  Ivor Moreton & Dave Kaye Piano Duet
                                     'tag_release'  Parlophone F 1942
                                       'tag_title'  Tin Pan Alley Medley No 48 (-8-1942)
                                             'bpm'  116.386
                                    'search_title'  '1942':8 '48':6 '8':7 '81942':9 'alley':3 'medley':4 'no':5 'pan':2 'tin':1
                                   'search_artist'  'dave':3 'duet':6 'ivor':1 'kaye':4 'moreton':2 'piano':5
                                  'search_release'  '1942':3 'f':2 'parlophone':1
                                     'search_rest'  '00oldiepop':5 'country':4 'duet':7 'exotica':2 'instrumental':9 'jazz':1 'oldies':3 'piano':6 'prerock':8
                                    'search_combo'  '00oldiepop':23 '1942':8A,18C '48':6A '8':7A '81942':9A 'alley':3A 'country':22 'dave':12B 'duet':15B,25 'exotica':20 'f':17C 'instrumental':27 'ivor':10B 'jazz':19 'kaye':13B 'medley':4A 'moreton':11B 'no':5A 'oldies':21 'pan':2A 'parlophone':16C 'piano':14B,24 'prerock':26 'tin':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1942
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705396.0245159  (2021-05-22 19:43:16)
                             'size'  4283413