======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '162'
                                          'artist'  'Yamaha Music Foundation'
                                     'text_people'  ''
                                         'release'  'Music for Maniacs'
                                           'title'  'The Salad Song'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '142.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         ['blog.wfmu.org',
 ' 00000624 0000060B 00002041 0000175F 000186CE 0000C367 00004E65 0000447C '
 '000186CE 000186CE']
'PRIV:ZuneCollectionID:\x9e\x0f*\x9d;¤YI\x96å\x99Ü[\x97\x9eÚ'  PRIV(owner='ZuneCollectionID', data=b'\x9e\x0f*\x9d;\xa4YI\x96\xe5\x99\xdc[\x97\x9e\xda')
'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '142.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'The Salad Song'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '162000'
'TPE1' (Lead performer(s)/Soloist(s))               'Yamaha Music Foundation'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.22 dB'
'TXXX:replaygain_track_peak'                        '0.517227'

========================== row from database ==========================
                                              'id'  649392
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/Yamaha_Music_Foundation_-_The_Salad_Song.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  162
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  4096162
                                           'mtime'  1636916479
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs Yamaha_Music_Foundation_ _The_Salad_Song electronic experimental oddness
                                      'tag_artist'  Yamaha Music Foundation
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  The Salad Song
                                             'bpm'  142.4
                                    'search_title'  'salad':2 'song':3 'the':1
                                   'search_artist'  'foundation':3 'music':2 'yamaha':1
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  'electronic':9 'experimental':10 'foundation':5 'maniacs':2 'music':1,4 'oddness':11 'salad':7 'song':8 'the':6 'yamaha':3
                                    'search_combo'  'electronic':18 'experimental':19 'for':8C 'foundation':6B,14 'maniacs':9C,11 'music':5B,7C,10,13 'oddness':20 'salad':2A,16 'song':3A,17 'the':1A,15 'yamaha':4B,12
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916479.3166673  (2021-11-14 20:01:19)
                             'size'  4096162