======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '146'
                                          'artist'  'Arthur Collins & S H Dudley & Ancient City'
                                     'text_people'  ''
                                         'release'  'Edison  4705'
                                           'title'  'Three Minutes With The Minstrels'
                                           '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'  '1899'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '145.3'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'COMM:MusicMatch_Tempo:eng'                         'None'
'TALB' (Album/Movie/Show title)                     'Edison  4705'
'TBPM' (BPM (beats per minute))                     '145.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1899'
'TIT2' (Title/songname/content description)         'Three Minutes With The Minstrels'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '146000'
'TPE1' (Lead performer(s)/Soloist(s))               'Arthur Collins & S H Dudley & Ancient City'
'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'                        '+0.91 dB'
'TXXX:replaygain_track_peak'                        '0.637199'

========================== row from database ==========================
                                              'id'  1474836
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1800/Arthur Collins - Three Minutes With The Minstrels (+ S H Dudley & Ancient City) 1899.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  146
                                           'genre'  prerock-vocal
                                        'filesize'  2955494
                                           'mtime'  1620665797
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1800 (+ City) 1899 prerock vocal
                                      'tag_artist'  Arthur Collins & S H Dudley & Ancient City
                                     'tag_release'  Edison  4705
                                       'tag_title'  Three Minutes With The Minstrels
                                             'bpm'  145.3
                                    'search_title'  'minstrels':5 'minutes':2 'the':4 'three':1 'with':3
                                   'search_artist'  'ancient':6 'arthur':1 'city':7 'collins':2 'dudley':5 'h':4 's':3
                                  'search_release'  '4705':2 'edison':1
                                     'search_rest'  '00oldiepop':5 '1800':6 '1899':9 'city':7,8 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':10 'vocal':11
                                    'search_combo'  '00oldiepop':19 '1800':20 '1899':23 '4705':14C 'ancient':11B 'arthur':6B 'city':12B,21,22 'collins':7B 'country':18 'dudley':10B 'edison':13C 'exotica':16 'h':9B 'jazz':15 'minstrels':5A 'minutes':2A 'oldies':17 'prerock':24 's':8B 'the':4A 'three':1A 'vocal':25 'with':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  11B
                                           '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'  ['q-vocals-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-1', 'q-grit-1']
                                        'tag_date'  1899
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665797.0791245  (2021-05-10 18:56:37)
                             'size'  2955494