======================== unified (from filesystem) ========================
                                         'bitrate'  '211.403'
                                        'duration'  '413'
                                          'artist'  'Sky'
                                     'text_people'  'Kevin Peek'
                                         'release'  'progsoup 50'
                                           'title'  'Sahara'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-3', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock', 'instrumental', 'rock', 'drum and bass', 'pop']"
                                     'discogstags'  "['indie pop', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '26'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '144.438'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '03.12.2008'
'COMM:ID3v1 Comment:XXX'                            '03.12.2008'
'TALB' (Album/Movie/Show title)                     'progsoup 50'
'TBPM' (BPM (beats per minute))                     '144.438'
'TCOM' (Composer)                                   'Kevin Peek'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TCOP' (Copyright message)                          'From Dalmatin collection'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Sahara'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sky'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '26'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['indie pop', 'pop']
'TXXX:lastfmtags'                                   ['progressive rock', 'instrumental', 'rock', 'drum and bass', 'pop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.30 dB'
'TXXX:replaygain_track_peak'                        '0.683104'

========================== row from database ==========================
                                              'id'  1413440
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 50/2845 sky - Sahara.mp3
                                         'working'  None
                                         'bitrate'  211
                                    'duration_sec'  413
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  10983351
                                           'mtime'  1620737527
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 2845 sky rock cppex progressive;set pl progspace
                                      'tag_artist'  Sky
                                     'tag_release'  progsoup 50
                                       'tag_title'  Sahara
                                             'bpm'  144.438
                                    'search_title'  'sahara':1
                                   'search_artist'  'sky':1
                                  'search_release'  '50':2 'progsoup':1
                                     'search_rest'  '2845':3 'classicprogpsy':1 'cppex':6 'pl':11 'progressive':7,9 'progsoup':2 'progspace':12 'rock':5 'set':8,10 'sky':4
                                    'search_combo'  '2845':7 '50':4C 'classicprogpsy':5 'cppex':10 'pl':15 'progressive':11,13 'progsoup':3C,6 'progspace':16 'rock':9 'sahara':1A 'set':12,14 'sky':2B,8
                                    'tag_tracknum'  26
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'instrumental', 'rock', 'drum and bass', 'pop']
                                        'tag_date'  1980
                                     'discogstags'  ['indie pop', 'pop']

============================== file details ==============================
                                           'mtime'  1620737526.6944897  (2021-05-11 14:52:06)
                             'size'  10983351