======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '230'
                                          'artist'  'Errol Dunkley'
                                     'text_people'  ''
                                         'release'  "70's Dancefloor Ultimate Collection - CD3"
                                           'title'  'Ok Fred'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'roots reggae', 'ska', 'soul', 'rocksteady']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0317'
                                      'tracktotal'  '19'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted'
                                             'bpm'  '94.0'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Freak37'
'TALB' (Album/Movie/Show title)                     "70's Dancefloor Ultimate Collection - CD3"
'TBPM' (BPM (beats per minute))                     '94.0'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-unsorted'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Ok Fred'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Errol Dunkley'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '3'
'TRCK' (Track number/Position in set)               '0317/19'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'reggae'
'TXXX:lastfmtags'                                   ['reggae', 'roots reggae', 'ska', 'soul', 'rocksteady']
'TXXX:other'                                        'Various'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-7.76 dB'
'TXXX:replaygain_track_peak'                        '0.986212'

========================== row from database ==========================
                                              'id'  1530707
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Various Artists - 100 Hits - 70_s Dancefloor (The Ultimate Collection) 2017 - @192/0317 - Various - Ok Fred - (Errol Dunkley).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  230
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted
                                        'filesize'  5654716
                                           'mtime'  1620524451
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Various Artists 100 Hits 70_s (The Collection) 2017 @192 0317 Various (Errol Dunkley) loc style reggae dub ska dancehall unsorted
                                      'tag_artist'  Errol Dunkley
                                     'tag_release'  70's Dancefloor Ultimate Collection - CD3
                                       'tag_title'  Ok Fred
                                             'bpm'  94.0
                                    'search_title'  'fred':2 'ok':1
                                   'search_artist'  'dunkley':2 'errol':1
                                  'search_release'  '70':1 '70s':3 'cd3':7 'collection':6 'dancefloor':4 's':2 'ultimate':5
                                     'search_rest'  '0317':16 '100':6 '192':15 '2017':14 '70':8 'artists':5 'collection':12,13 'dancehall':26 'dub':24 'dunkley':19,20 'errol':17,18 'funk':2 'hits':7 'loc':21 'reggae':23 's':9 'ska':25 'soul':3 'style':22 'swing':1 'the':10,11 'unsorted':27 'various':4
                                    'search_combo'  '0317':27 '100':17 '192':26 '2017':25 '70':5C,19 '70s':7C 'artists':16 'cd3':11C 'collection':10C,23,24 'dancefloor':8C 'dancehall':37 'dub':35 'dunkley':4B,30,31 'errol':3B,28,29 'fred':2A 'funk':13 'hits':18 'loc':32 'ok':1A 'reggae':34 's':6C,20 'ska':36 'soul':14 'style':33 'swing':12 'the':21,22 'ultimate':9C 'unsorted':38 'various':15
                                    'tag_tracknum'  317
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'roots reggae', 'ska', 'soul', 'rocksteady']
                                        'tag_date'  1975
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620524451.2287142  (2021-05-09 03:40:51)
                             'size'  5654716