======================== unified (from filesystem) ========================
                                         'bitrate'  '211.172'
                                        'duration'  '230'
                                          'artist'  '7thsven'
                                     'text_people'  'Jochen Hippel'
                                         'release'  'AmigaRemix'
                                           'title'  'Wings of Death'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'soundtrack-game'
                                             'bpm'  '125.238'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'AmigaRemix'
'TBPM' (BPM (beats per minute))                     '125.238'
'TCOM' (Composer)                                   'Jochen Hippel'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-game'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Wings of Death'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               '7thsven'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'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-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.67 dB'
'TXXX:replaygain_track_peak'                        '0.381972'

========================== row from database ==========================
                                              'id'  770380
                                            'path'  /data/Music/Bulk/0soundtrack/Amiga/7thsven - Wings of Death Level 7 (7thsven Metallic Mix).mp3
                                         'working'  None
                                         'bitrate'  211
                                    'duration_sec'  230
                                           'genre'  soundtrack-game
                                        'filesize'  6090640
                                           'mtime'  1645789680
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Level (7thsven Metallic Mix) soundtrack game
                                      'tag_artist'  7thsven
                                     'tag_release'  AmigaRemix
                                       'tag_title'  Wings of Death
                                             'bpm'  125.238
                                    'search_title'  'death':3 'of':2 'wings':1
                                   'search_artist'  '7thsven':1
                                  'search_release'  'amiga':2 'amigaremix':1 'remix':3
                                     'search_rest'  '0soundtrack':1 '7thsven':3,4 'game':9 'level':2 'metallic':5 'mix':6,7 'soundtrack':8
                                    'search_combo'  '0soundtrack':8 '7thsven':4B,10,11 'amiga':6C 'amigaremix':5C 'death':3A 'game':16 'level':9 'metallic':12 'mix':13,14 'of':2A 'remix':7C 'soundtrack':15 'wings':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1645789679.806942  (2022-02-25 12:47:59)
                             'size'  6090640