======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '121'
                                          'artist'  'Baauer'
                                     'text_people'  ''
                                         'release'  'Dum Dum'
                                           'title'  'Dum Dum'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['trap', 'electronic', 'bass', 'trapwave', 'trapstyle']"
                                     'discogstags'  "['electronic', 'hip hop', 'trap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '103.378'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000007EC 000007AF 00007AC1 00'
'COMM:iTunNORM:eng'                                 (' 000007EC 000007AF 00007AC1 00006867 0000DEA7 0000E634 00008A08 00008A63 '
 '0001B0C1 000131D0')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000092D 00000000005202C3 00000000 004A4C69 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Dum Dum'
'TBPM' (BPM (beats per minute))                     '103.378'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2012'
'TENC' (Encoded by)                                 'iTunes 10.6.0.40'
'TIT2' (Title/songname/content description)         'Dum Dum'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Baauer'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'hip hop', 'trap']
'TXXX:lastfmtags'                                   ['trap', 'electronic', 'bass', 'trapwave', 'trapstyle']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.66 dB'
'TXXX:replaygain_track_peak'                        '0.557430'

========================== row from database ==========================
                                              'id'  762401
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Baauer - DUM DUM.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  121
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5019648
                                           'mtime'  1620586884
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism DUM DUM hip hop or rnb or rap or turntablism
                                      'tag_artist'  Baauer
                                     'tag_release'  Dum Dum
                                       'tag_title'  Dum Dum
                                             'bpm'  103.378
                                    'search_title'  'dum':1
                                   'search_artist'  'baauer':1
                                  'search_release'  'dum':1
                                     'search_rest'  'dum':5 'hip':6 'hiphop':1 'hop':7 'or':8 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'baauer':2B 'dum':1A,3C,8 'hip':9 'hiphop':4 'hop':10 'or':11 'rap':5 'rnb':6 'turntablism':7
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['trap', 'electronic', 'bass', 'trapwave', 'trapstyle']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic', 'hip hop', 'trap']

============================== file details ==============================
                                           'mtime'  1620586883.6369503  (2021-05-09 21:01:23)
                             'size'  5019648