======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '233'
                                          'artist'  'Corvus Corax'
                                     'text_people'  ''
                                         'release'  'Inter Deum et Diabolum Semper'
                                           'title'  'Introitus: Prozession / Türkis'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['mittelalter', 'folk metal', 'german', 'medieval', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-metal-folk'
                                             'bpm'  '84.245'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Inter Deum et Diabolum Semper'
'TBPM' (BPM (beats per minute))                     '84.245'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-folk'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Introitus: Prozession / Türkis'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Corvus Corax'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['mittelalter', 'folk metal', 'german', 'medieval', 'folk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.53 dB'
'TXXX:replaygain_track_peak'                        '0.798850'

========================== row from database ==========================
                                              'id'  1395366
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Corvus Corax/Corvus Corax - Inter Deum et Diabolum Semper Musica est - 01 - Introitus Prozession Turkischer Tanz.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  233
                                           'genre'  eid-metal-folk
                                        'filesize'  5614651
                                           'mtime'  1620301613
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Musica est 01 Turkischer Tanz eid metal folk
                                      'tag_artist'  Corvus Corax
                                     'tag_release'  Inter Deum et Diabolum Semper
                                       'tag_title'  Introitus: Prozession / Türkis
                                             'bpm'  84.245
                                    'search_title'  'introitus':1,2 'prozession':3 'turkis':4,5
                                   'search_artist'  'corax':2 'corvus':1
                                  'search_release'  'deum':2 'diabolum':4 'et':3 'inter':1 'semper':5
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':7 'est':4 'folk':9 'metal':8 'musica':3 'tanz':6 'turkischer':5
                                    'search_combo'  '00dwimp':13 '00metal':14 'corax':7B 'corvus':6B 'deum':9C 'diabolum':11C 'eid':19 'est':16 'et':10C 'folk':21 'inter':8C 'introitus':1A,2A 'metal':20 'musica':15 'prozession':3A 'semper':12C 'tanz':18 'turkis':4A,5A 'turkischer':17
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['mittelalter', 'folk metal', 'german', 'medieval', 'folk']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620301612.5259278  (2021-05-06 13:46:52)
                             'size'  5614651