======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '142'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  'CDCM Computer Music Series Vol. 6'
                                           'title'  'Mayday Materials: Part 1'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '139.7'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'CDCM Computer Music Series Vol. 6'
'TBPM' (BPM (beats per minute))                     '139.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1990'
'TENC' (Encoded by)                                 'FreeRIP 2.90'
'TIT2' (Title/songname/content description)         'Mayday Materials: Part 1'
'TKEY' (Initial key)                                '8B'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '5'
'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'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.43 dB'
'TXXX:replaygain_track_peak'                        '0.671535'

========================== row from database ==========================
                                              'id'  425901
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/computer music series vol. 06/05 - Mayday Materials Part 1.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  142
                                           'genre'  electronic-experimental
                                        'filesize'  3431244
                                           'mtime'  1636917257
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm computer music series vol. 06 05 electronic experimental
                                      'tag_artist'  Various
                                     'tag_release'  CDCM Computer Music Series Vol. 6
                                       'tag_title'  Mayday Materials: Part 1
                                             'bpm'  139.7
                                    'search_title'  '1':5 'materials':2,3 'mayday':1 'part':4
                                   'search_artist'  'various':1
                                  'search_release'  '6':7 'cdcm':1 'computer':2 'music':3 'series':4 'vol':5,6
                                     'search_rest'  'computer':1 'electronic':6 'experimental':7 'music':2 'series':3 'vol':4,5
                                    'search_combo'  '1':5A '6':12C 'cdcm':6C 'computer':7C,13 'electronic':18 'experimental':19 'materials':2A,3A 'mayday':1A 'music':8C,14 'part':4A 'series':9C,15 'vol':10C,11C,16,17
                                    'tag_tracknum'  5
                                      '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-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636917257.2230067  (2021-11-14 20:14:17)
                             'size'  3431244