======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '291'
                                          'artist'  'Prefuse 73 vs. Pedro'
                                     'text_people'  ''
                                         'release'  'Surrounded by Silence'
                                           'title'  'Gratis'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-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-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['love', 'hip hop', 'experimental', 'idm', 'my favorite albums']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '85.525'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Surrounded by Silence'
'TBPM' (BPM (beats per minute))                     '85.525'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Gratis'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Prefuse 73 vs. Pedro'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['love', 'hip hop', 'experimental', 'idm', 'my favorite albums']
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.76 dB'
'TXXX:replaygain_track_peak'                        '0.546133'

========================== row from database ==========================
                                              'id'  1424695
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Prefuse 73/Surrounded By Silence/Prefuse 73 - Surrounded By Silence - 10 - Gratis.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  291
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  7000809
                                           'mtime'  1620592407
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism By By 10 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Prefuse 73 vs. Pedro
                                     'tag_release'  Surrounded by Silence
                                       'tag_title'  Gratis
                                             'bpm'  85.525
                                    'search_title'  'gratis':1
                                   'search_artist'  '73':2 'pedro':5 'prefuse':1 'vs':3,4
                                  'search_release'  'by':2 'silence':3 'surrounded':1
                                     'search_rest'  'by':5 'hip':6 'hiphop':1 'hop':7 'or':8 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '73':3B 'by':8C,14 'gratis':1A 'hip':15 'hiphop':10 'hop':16 'or':17 'pedro':6B 'prefuse':2B 'rap':11 'rnb':12 'silence':9C 'surrounded':7C 'turntablism':13 'vs':4B,5B
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', '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'  ['love', 'hip hop', 'experimental', 'idm', 'my favorite albums']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592407.3468482  (2021-05-09 22:33:27)
                             'size'  7000809