======================== unified (from filesystem) ========================
                                         'bitrate'  '231.396'
                                        'duration'  '316'
                                          'artist'  'Panzerpappa'
                                     'text_people'  'Skandinavien'
                                         'release'  'Progsoup 24'
                                           'title'  'Hulemysteriet'
                                           '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-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['avant garde', 'progressive rock', 'experimental', 'avant prog', 'rio']"
                                     'discogstags'  "['prog rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '7'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '133.756'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000562 000006FC 000060D0 00009650 0003A998 0003F8B8 00007FE2 00007621 '
 '0002A690 000276F0')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000870 0000000000E80F80 00000000 008BCD40 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Progsoup 24'
'TBPM' (BPM (beats per minute))                     '133.756'
'TCOM' (Composer)                                   'Skandinavien'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'iTunes 9.0.2.25'
'TIT2' (Title/songname/content description)         'Hulemysteriet'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Panzerpappa'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '14/7'
'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:discogstags'                                  ['prog rock', 'rock']
'TXXX:lastfmtags'                                   ['avant garde', 'progressive rock', 'experimental', 'avant prog', 'rio']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.08 dB'
'TXXX:replaygain_track_peak'                        '0.583350'

========================== row from database ==========================
                                              'id'  1409548
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 24/1345 panzerpappa -  hulemysteriet.mp3
                                         'working'  None
                                         'bitrate'  231
                                    'duration_sec'  316
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  9169198
                                           'mtime'  1620736932
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1345 panzerpappa hulemysteriet rock cppex progressive;set pl progspace
                                      'tag_artist'  Panzerpappa
                                     'tag_release'  Progsoup 24
                                       'tag_title'  Hulemysteriet
                                             'bpm'  133.756
                                    'search_title'  'hulemysteriet':1
                                   'search_artist'  'panzerpappa':1
                                  'search_release'  '24':2 'progsoup':1
                                     'search_rest'  '1345':3 'classicprogpsy':1 'cppex':7 'hulemysteriet':5 'panzerpappa':4 'pl':12 'progressive':8,10 'progsoup':2 'progspace':13 'rock':6 'set':9,11
                                    'search_combo'  '1345':7 '24':4C 'classicprogpsy':5 'cppex':11 'hulemysteriet':1A,9 'panzerpappa':2B,8 'pl':16 'progressive':12,14 'progsoup':3C,6 'progspace':17 'rock':10 'set':13,15
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['avant garde', 'progressive rock', 'experimental', 'avant prog', 'rio']
                                        'tag_date'  2002
                                     'discogstags'  ['prog rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620736932.4922822  (2021-05-11 14:42:12)
                             'size'  9169198