======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '144'
                                          'artist'  'Huey (Piano) Smith & The Clowns'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Don't You Know Yockomo"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['soul', 'oldies', 'new orleans', '60s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '144.645'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-332 POS 56'
'COMM:ID3v1 Comment:XXX'                            '59-332 POS 56'
'TBPM' (BPM (beats per minute))                     '144.645'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         "Don't You Know Yockomo"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Huey (Piano) Smith & The Clowns'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', 'oldies', 'new orleans', '60s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                        '+1.18 dB'
'TXXX:replaygain_track_peak'                        '0.295402'

========================== row from database ==========================
                                              'id'  1501782
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-332 - Huey (Piano) Smith & The Clowns - Don_t You Know Yockomo.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  144
                                           'genre'  prerock-unsorted
                                        'filesize'  5768194
                                           'mtime'  1620387816
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 332 Don_t prerock unsorted
                                      'tag_artist'  Huey (Piano) Smith & The Clowns
                                     'tag_release'  None
                                       'tag_title'  Don't You Know Yockomo
                                             'bpm'  144.645
                                    'search_title'  'don':1 'dont':3 'know':5 't':2 'yockomo':6 'you':4
                                   'search_artist'  'clowns':6 'huey':1 'piano':2,3 'smith':4 'the':5
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1959':6 '332':8 '59':7 'country':4 'don':9 'exotica':2 'jazz':1 'oldies':3 'prerock':11 't':10 'unsorted':12
                                    'search_combo'  '00oldiepop':17 '1959':18 '332':20 '59':19 'clowns':12B 'country':16 'don':1A,21 'dont':3A 'exotica':14 'huey':7B 'jazz':13 'know':5A 'oldies':15 'piano':8B,9B 'prerock':23 'smith':10B 't':2A,22 'the':11B 'unsorted':24 'yockomo':6A 'you':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           '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-3', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['soul', 'oldies', 'new orleans', '60s']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387816.178165  (2021-05-07 13:43:36)
                             'size'  5768194