======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '127'
                                          'artist'  'Corinne Morgan & Frank C Stanley'
                                     'text_people'  ''
                                         'release'  'Edison  8256'
                                           'title'  'Oh That We Two Were Maying (+ piano)'
                                           'quals'  ("['Q-HAP-3', 'q-piano-2', '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-2', 'q-other-2', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1902'
                                        'comments'  ''
                                           'genre'  'prerock-instrumental'
                                             'bpm'  '145.8'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Edison  8256'
'TBPM' (BPM (beats per minute))                     '145.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-instrumental'
'TDRC' (Recording time)                             '1902'
'TIT2' (Title/songname/content description)         'Oh That We Two Were Maying (+ piano)'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '127000'
'TPE1' (Lead performer(s)/Soloist(s))               'Corinne Morgan & Frank C Stanley'
'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'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '2'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+4.17 dB'
'TXXX:replaygain_track_peak'                        '0.920492'

========================== row from database ==========================
                                              'id'  1466015
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1902/Corinne Morgan & Frank C Stanley - Oh That We Two Were Maying (+ piano) 1902.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  127
                                           'genre'  prerock-instrumental
                                        'filesize'  2618621
                                           'mtime'  1621705349
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1902 1902 prerock instrumental
                                      'tag_artist'  Corinne Morgan & Frank C Stanley
                                     'tag_release'  Edison  8256
                                       'tag_title'  Oh That We Two Were Maying (+ piano)
                                             'bpm'  145.8
                                    'search_title'  'maying':6 'oh':1 'piano':7,8 'that':2 'two':4 'we':3 'were':5
                                   'search_artist'  'c':4 'corinne':1 'frank':3 'morgan':2 'stanley':5
                                  'search_release'  '8256':2 'edison':1
                                     'search_rest'  '00oldiepop':5 '1902':6 'country':4 'exotica':2 'instrumental':8 'jazz':1 'oldies':3 'prerock':7
                                    'search_combo'  '00oldiepop':20 '1902':21 '8256':15C 'c':12B 'corinne':9B 'country':19 'edison':14C 'exotica':17 'frank':11B 'instrumental':23 'jazz':16 'maying':6A 'morgan':10B 'oh':1A 'oldies':18 'piano':7A,8A 'prerock':22 'stanley':13B 'that':2A 'two':4A 'we':3A 'were':5A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-2', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1902
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705348.8622696  (2021-05-22 19:42:28)
                             'size'  2618621