======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '226'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  'Progsoup 34'
                                           'title'  'Simon Dupree & The Big Sound / Kites'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '51'
                                      'tracktotal'  '23'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '128.740'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 34'
'TBPM' (BPM (beats per minute))                     '128.740'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Simon Dupree & The Big Sound / Kites'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Various Artists'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '51/23'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.478903'

========================== row from database ==========================
                                              'id'  1412409
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 34 (sixties prog)/2007 Simon Dupree & The Big Sound _ Kites.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  226
                                           'genre'  rock-cppex-progressive
                                        'filesize'  5429457
                                           'mtime'  1620737226
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup (sixties prog) 2007 _ rock cppex progressive
                                      'tag_artist'  None
                                     'tag_release'  Progsoup 34
                                       'tag_title'  Simon Dupree & The Big Sound / Kites
                                             'bpm'  128.74
                                    'search_title'  'big':4 'dupree':2 'kites':6 'simon':1 'sound':5 'the':3
                                   'search_artist'  None
                                  'search_release'  '34':2 'progsoup':1
                                     'search_rest'  '2007':7 'classicprogpsy':1 'cppex':9 'prog':5,6 'progressive':10 'progsoup':2 'rock':8 'sixties':3,4
                                    'search_combo'  '2007':15 '34':8C 'big':4A 'classicprogpsy':9 'cppex':17 'dupree':2A 'kites':6A 'prog':13,14 'progressive':18 'progsoup':7C,10 'rock':16 'simon':1A 'sixties':11,12 'sound':5A 'the':3A
                                    'tag_tracknum'  51
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737226.4862003  (2021-05-11 14:47:06)
                             'size'  5429457