======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '217'
                                          'artist'  'Arthur Middleton & Chorus'
                                     'text_people'  ''
                                         'release'  'Edison Purple Amberol 29011'
                                           'title'  'Freedom For All Forever'
                                           '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-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1918'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '101.2'
                                             'key'  '1A'
                                        '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)                     'Edison Purple Amberol 29011'
'TBPM' (BPM (beats per minute))                     '101.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1918-06'
'TIT2' (Title/songname/content description)         'Freedom For All Forever'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '217000'
'TPE1' (Lead performer(s)/Soloist(s))               'Arthur Middleton & Chorus'
'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'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.30 dB'
'TXXX:replaygain_track_peak'                        '0.447714'

========================== row from database ==========================
                                              'id'  1474200
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1918/Arthur Middleton - Freedom For All Forever (+ Chorus) -6-1918.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  217
                                           'genre'  prerock-vocal
                                        'filesize'  4420764
                                           'mtime'  1620666278
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1918 (+ Chorus) 6 1918 prerock vocal
                                      'tag_artist'  Arthur Middleton & Chorus
                                     'tag_release'  Edison Purple Amberol 29011
                                       'tag_title'  Freedom For All Forever
                                             'bpm'  101.2
                                    'search_title'  'all':3 'for':2 'forever':4 'freedom':1
                                   'search_artist'  'arthur':1 'chorus':3 'middleton':2
                                  'search_release'  '29011':4 'amberol':3 'edison':1 'purple':2
                                     'search_rest'  '00oldiepop':5 '1918':6 '6':9 'chorus':7,8 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':10 'vocal':11
                                    'search_combo'  '00oldiepop':16 '1918':17 '29011':11C '6':20 'all':3A 'amberol':10C 'arthur':5B 'chorus':7B,18,19 'country':15 'edison':8C 'exotica':13 'for':2A 'forever':4A 'freedom':1A 'jazz':12 'middleton':6B 'oldies':14 'prerock':21 'purple':9C 'vocal':22
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           '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-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1918
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666278.0412126  (2021-05-10 19:04:38)
                             'size'  4420764