======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '39'
                                          'artist'  'Classwar Karaoke'
                                     'text_people'  ''
                                         'release'  'Classwar Karaoke - 0009'
                                           'title'  'Lezet & Matthew Sforcina - Miljacka Transmission #4'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '136.5'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'Classwar Karaoke - 0009'
'TBPM' (BPM (beats per minute))                     '136.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Lezet & Matthew Sforcina - Miljacka Transmission #4'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Classwar Karaoke'
'TRCK' (Track number/Position in set)               '9'
'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'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.15 dB'
'TXXX:replaygain_track_peak'                        '0.979885'

========================== row from database ==========================
                                              'id'  505201
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - classwar karaoke - 0009/09 lezet & matthew sforcina - miljacka transmission #4.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  39
                                           'genre'  electronic-unsorted
                                        'filesize'  1646454
                                           'mtime'  1637933118
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va classwar karaoke lezet matthew sforcina miljacka transmission electronic unsorted
                                      'tag_artist'  Classwar Karaoke
                                     'tag_release'  Classwar Karaoke - 0009
                                       'tag_title'  Lezet & Matthew Sforcina - Miljacka Transmission #4
                                             'bpm'  136.5
                                    'search_title'  '4':6,7 'lezet':1 'matthew':2 'miljacka':4 'sforcina':3 'transmission':5
                                   'search_artist'  'classwar':1 'karaoke':2
                                  'search_release'  'classwar':1 'karaoke':2
                                     'search_rest'  'classwar':2 'electronic':9 'karaoke':3 'lezet':4 'matthew':5 'miljacka':7 'sforcina':6 'transmission':8 'unsorted':10 'va':1
                                    'search_combo'  '4':6A,7A 'classwar':8B,10C,13 'electronic':20 'karaoke':9B,11C,14 'lezet':1A,15 'matthew':2A,16 'miljacka':4A,18 'sforcina':3A,17 'transmission':5A,19 'unsorted':21 'va':12
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637933118.0633209  (2021-11-26 14:25:18)
                             'size'  1646454