======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '298'
                                          'artist'  'Prefuse 73 feat. School of Sev'
                                     'text_people'  ''
                                         'release'  'Preparations'
                                           'title'  'The Class of 73 Bells'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronic', 'hip-hop', 'idm', 'trip-hop', 'prefuse 73']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '90.050'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Preparations'
'TBPM' (BPM (beats per minute))                     '90.050'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'The Class of 73 Bells'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Prefuse 73 feat. School of Sev'
'TRCK' (Track number/Position in set)               '4'
'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:lastfmtags'                                   ['electronic', 'hip-hop', 'idm', 'trip-hop', 'prefuse 73']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.53 dB'
'TXXX:replaygain_track_peak'                        '0.417054'

========================== row from database ==========================
                                              'id'  1425056
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Prefuse 73/Preparations/Prefuse 73 - Preparations - 04 - Class Of 73 Bells - Featuring School Of Seven Bells.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  298
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  7160566
                                           'mtime'  1620592395
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 04 Of Featuring Of Seven hip hop or rnb or rap or turntablism
                                      'tag_artist'  Prefuse 73 feat. School of Sev
                                     'tag_release'  Preparations
                                       'tag_title'  The Class of 73 Bells
                                             'bpm'  90.05
                                    'search_title'  '73':4 'bells':5 'class':2 'of':3 'the':1
                                   'search_artist'  '73':2 'feat':3,4 'of':6 'prefuse':1 'school':5 'sev':7
                                  'search_release'  'preparations':1
                                     'search_rest'  'featuring':6 'hip':8 'hiphop':1 'hop':9 'of':5 'or':10 'rap':2 'rnb':3 'seven':7 'turntablism':4
                                    'search_combo'  '73':4A,7B 'bells':5A 'class':2A 'feat':8B,9B 'featuring':19 'hip':21 'hiphop':14 'hop':22 'of':3A,11B,18 'or':23 'prefuse':6B 'preparations':13C 'rap':15 'rnb':16 'school':10B 'sev':12B 'seven':20 'the':1A 'turntablism':17
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', '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-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'hip-hop', 'idm', 'trip-hop', 'prefuse 73']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592395.241591  (2021-05-09 22:33:15)
                             'size'  7160566