======================== unified (from filesystem) ========================
                                         'bitrate'  '202.029'
                                        'duration'  '238'
                                          'artist'  'Tinariwen'
                                     'text_people'  ''
                                         'release'  'The Radio Tisdas Sessions'
                                           'title'  'Tessalit'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['world', 'blues', 'mali', 'world music', 'african']"
                                     'discogstags'  ("['rock', 'blues', 'folk, world, & country', 'blues rock', 'acoustic', "
 "'psychedelic rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '10'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-africa-mali'
                                             'bpm'  '88.6'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'A\x00+\x009\x006\x00+\x008\x005\x002\x008\x00+\x00D\x009\x002\x009\x00+\x001\x004\x00A\x004\x00C\x00+\x001\x00A\x008\x00B\x00A\x00+\x002\x000\x008\x009\x001\x00+\x002\x004\x00E\x006\x003\x00+\x002\x00B\x00B\x00A\x005\x00+\x003\x002\x001\x006\x00F\x00+\x003\x006\x00E\x003\x00A\x00+\x003\x009\x003\x00F\x000\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'The Radio Tisdas Sessions'
'TBPM' (BPM (beats per minute))                     '88.6'
'TCON' (Content type, a.k.a. Genre)                 'loc-africa-mali'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Tessalit'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Tinariwen'
'TPE2' (Band/orchestra/accompaniment)               'Tinariwen'
'TRCK' (Track number/Position in set)               '6/10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock',
 'blues',
 'folk, world, & country',
 'blues rock',
 'acoustic',
 'psychedelic rock']
'TXXX:lastfmtags'                                   ['world', 'blues', 'mali', 'world music', 'african']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.68 dB'
'TXXX:replaygain_track_peak'                        '0.515612'

========================== row from database ==========================
                                              'id'  730403
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Radio Tisdas Sessions [2001]/06 Tessalit.mp3
                                         'working'  None
                                         'bitrate'  202
                                    'duration_sec'  238
                                           'genre'  loc-africa-mali
                                        'filesize'  6080094
                                           'mtime'  1621628854
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [2001] 06 loc africa mali
                                      'tag_artist'  Tinariwen
                                     'tag_release'  The Radio Tisdas Sessions
                                       'tag_title'  Tessalit
                                             'bpm'  88.6
                                    'search_title'  'tessalit':1
                                   'search_artist'  'tinariwen':1
                                  'search_release'  'radio':2 'sessions':4 'the':1 'tisdas':3
                                     'search_rest'  '2001':1,2 'africa':4 'loc':3 'mali':5
                                    'search_combo'  '2001':7,8 'africa':10 'loc':9 'mali':11 'radio':4C 'sessions':6C 'tessalit':1A 'the':3C 'tinariwen':2B 'tisdas':5C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['world', 'blues', 'mali', 'world music', 'african']
                                        'tag_date'  2001
                                     'discogstags'  ['rock', 'blues', 'folk, world, & country', 'blues rock', 'acoustic', 'psychedelic rock']

============================== file details ==============================
                                           'mtime'  1621628853.7202191  (2021-05-21 22:27:33)
                             'size'  6080094