======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '189'
                                          'artist'  'Blowfly'
                                     'text_people'  'Clarence Reid'
                                         'release'  'Disco'
                                           'title'  'Bad Fuck'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'Q-BUSY-2', 'Q-GRIT-2', 'q-bass-4', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-3', 'Q-SYN-2', 'Q-PLAY-3', 'Q-CHART-2', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['funk', 'soul', 'comedy', 'hip-hop']"
                                     'discogstags'  "['disco', 'funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '119.3'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Disco'
'TBPM' (BPM (beats per minute))                     '119.3'
'TCOM' (Composer)                                   'Clarence Reid'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         'Bad Fuck'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Blowfly'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['disco', 'funk / soul']
'TXXX:lastfmtags'                                   ['funk', 'soul', 'comedy', 'hip-hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.65 dB'
'TXXX:replaygain_track_peak'                        '0.787804'

========================== row from database ==========================
                                              'id'  1484427
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/blowfly - 1977 - disco/03 - bad fuck.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  189
                                           'genre'  funk or soul-funk
                                        'filesize'  3030138
                                           'mtime'  1620665576
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy blowfly 1977 disco 03 bad fuck funk or soul funk
                                      'tag_artist'  Blowfly
                                     'tag_release'  Disco
                                       'tag_title'  Bad Fuck
                                             'bpm'  119.3
                                    'search_title'  'bad':1 'fuck':2
                                   'search_artist'  'blowfly':1
                                  'search_release'  'disco':1
                                     'search_rest'  '1977':3 'bad':5 'blowfly':2 'classicprogpsy':1 'disco':4 'fuck':6 'funk':7 'or':8 'soul':9
                                    'search_combo'  '1977':7 'bad':1A,9 'blowfly':3B,6 'classicprogpsy':5 'disco':4C,8 'fuck':2A,10 'funk':11 'or':12 'soul':13
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-4', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-2', 'q-other-1', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['funk', 'soul', 'comedy', 'hip-hop']
                                        'tag_date'  1977
                                     'discogstags'  ['disco', 'funk / soul']

============================== file details ==============================
                                           'mtime'  1620665576.3906884  (2021-05-10 18:52:56)
                             'size'  3030138