======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '84'
                                          'artist'  'Gloryhammer'
                                     'text_people'  ''
                                         'release'  'Space 1992: Rise Of The Chaos Wizards'
                                           'title'  'Infernus Ad Astra'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['epic power metal', 'power metal', 'symphonic metal', 'symphonic power "
 "metal', 'scottish']")
                                     'discogstags'  "['power metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '11'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'eid-metal-power'
                                             'bpm'  '117.7'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 0000099F 000009F1 00003AE9 00003B2D 000146F0 00004D58 00007A3A 00007A38 '
 '00011ED6 00012BE5')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A5C 0000000000389F94 00000000 00334688 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '950C5F0B+237678+11+150+6461+24248+47791+64196+81803+104242+128451+146938+173151+217642'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '1'
'TALB' (Album/Movie/Show title)                     'Space 1992: Rise Of The Chaos Wizards'
'TBPM' (BPM (beats per minute))                     '117.7'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-power'
'TDRC' (Recording time)                             '1992'
'TENC' (Encoded by)                                 'iTunes 12.3.0.44'
'TIT2' (Title/songname/content description)         'Infernus Ad Astra'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Gloryhammer'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '1/11'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['power metal', 'rock']
'TXXX:lastfmtags'                                   ['epic power metal',
 'power metal',
 'symphonic metal',
 'symphonic power metal',
 'scottish']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-6.47 dB'
'TXXX:replaygain_track_peak'                        '0.984002'

========================== row from database ==========================
                                              'id'  1424467
                                            'path'  /data/Music/Bulk/00dwimp/Space 1992_ Rise Of The Chaos Wizards/01 Infernus Ad Astra.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  84
                                           'genre'  eid-metal-power
                                        'filesize'  3370990
                                           'mtime'  1620310980
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 1992_ 01 eid metal power
                                      'tag_artist'  Gloryhammer
                                     'tag_release'  Space 1992: Rise Of The Chaos Wizards
                                       'tag_title'  Infernus Ad Astra
                                             'bpm'  117.7
                                    'search_title'  'ad':2 'astra':3 'infernus':1
                                   'search_artist'  'gloryhammer':1
                                  'search_release'  '1992':2,3 'chaos':7 'of':5 'rise':4 'space':1 'the':6 'wizards':8
                                     'search_rest'  '00dwimp':1 '1992':2 'eid':3 'metal':4 'power':5
                                    'search_combo'  '00dwimp':13 '1992':6C,7C,14 'ad':2A 'astra':3A 'chaos':11C 'eid':15 'gloryhammer':4B 'infernus':1A 'metal':16 'of':9C 'power':17 'rise':8C 'space':5C 'the':10C 'wizards':12C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['epic power metal', 'power metal', 'symphonic metal', 'symphonic power metal', 'scottish']
                                        'tag_date'  1992
                                     'discogstags'  ['power metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620310979.6136997  (2021-05-06 16:22:59)
                             'size'  3370990