======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '351'
                                          'artist'  'The Muppets'
                                     'text_people'  ''
                                         'release'  'Sesame Disco!'
                                           'title'  'Disco Frog'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['soundtrack', 'tv', 'fun', 'comedy', 'childrens']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1979'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '130.903'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sesame Disco!'
'TBPM' (BPM (beats per minute))                     '130.903'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1979'
'TIT2' (Title/songname/content description)         'Disco Frog'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Muppets'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'tv', 'fun', 'comedy', 'childrens']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.13 dB'
'TXXX:replaygain_track_peak'                        '0.530744'

========================== row from database ==========================
                                              'id'  766847
                                            'path'  /data/Music/Bulk/0soundtrack/Sesame Street/Sesame disco/05 Sesame_Disco_-_Disco_Frog.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  351
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  7028706
                                           'mtime'  1620647545
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Street disco 05 Sesame_Disco_ _Disco_Frog electronic we disco or italo
                                      'tag_artist'  The Muppets
                                     'tag_release'  Sesame Disco!
                                       'tag_title'  Disco Frog
                                             'bpm'  130.903
                                    'search_title'  'disco':1 'frog':2
                                   'search_artist'  'muppets':2 'the':1
                                  'search_release'  'disco':2 'sesame':1
                                     'search_rest'  '0soundtrack':1 'disco':3,5,6 'electronic':8 'frog':7 'italo':11 'or':10 'sesame':4 'street':2 'we':9
                                    'search_combo'  '0soundtrack':7 'disco':1A,6C,9,11,12 'electronic':14 'frog':2A,13 'italo':17 'muppets':4B 'or':16 'sesame':5C,10 'street':8 'the':3B 'we':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['soundtrack', 'tv', 'fun', 'comedy', 'childrens']
                                        'tag_date'  1979
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620647545.2422545  (2021-05-10 13:52:25)
                             'size'  7028706