======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '234'
                                          'artist'  'Kid Koala'
                                     'text_people'  ''
                                         'release'  '12 bit Blues'
                                           'title'  '4 bit Blues'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['ninja tune', 'trip hop', 'turntablism', 'hip hop', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  '12'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '140.1'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '12 bit Blues'
'TBPM' (BPM (beats per minute))                     '140.1'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         '4 bit Blues'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kid Koala'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '04/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['ninja tune', 'trip hop', 'turntablism', 'hip hop', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.09 dB'
'TXXX:replaygain_track_peak'                        '0.509220'

========================== row from database ==========================
                                              'id'  1377496
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Kid Koala - 12 bit Blues/04 4 bit Blues.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  234
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  9364504
                                           'mtime'  1620585028
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 04 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Kid Koala
                                     'tag_release'  12 bit Blues
                                       'tag_title'  4 bit Blues
                                             'bpm'  140.1
                                    'search_title'  '4':1 'bit':2 'blues':3
                                   'search_artist'  'kid':1 'koala':2
                                  'search_release'  'bit':1 'blues':2
                                     'search_rest'  'hip':5 'hiphop':1 'hop':6 'or':7 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '4':1A 'bit':2A,6C 'blues':3A,7C 'hip':12 'hiphop':8 'hop':13 'kid':4B 'koala':5B 'or':14 'rap':9 'rnb':10 'turntablism':11
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', '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-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ninja tune', 'trip hop', 'turntablism', 'hip hop', 'electronic']
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620585028.324176  (2021-05-09 20:30:28)
                             'size'  9364504