======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '465'
                                          'artist'  'Gnarls Barkley'
                                     'text_people'  ''
                                         'release'  'Crazy'
                                           'title'  'Crazy (Karl G. Remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['alternative', 'soul', 'funk', 'hip hop']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '127.044'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Crazy'
'TBPM' (BPM (beats per minute))                     '127.044'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Crazy (Karl G. Remix)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gnarls Barkley'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['alternative', 'soul', 'funk', 'hip hop']
'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'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.46 dB'
'TXXX:replaygain_track_peak'                        '0.805246'

========================== row from database ==========================
                                              'id'  720426
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Gnarls Barkley__cifs466f.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  465
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  11169718
                                           'mtime'  1620584059
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Barkley__cifs466f hip hop or rnb or rap or turntablism
                                      'tag_artist'  Gnarls Barkley
                                     'tag_release'  Crazy
                                       'tag_title'  Crazy (Karl G. Remix)
                                             'bpm'  127.044
                                    'search_title'  'crazy':1 'g':4,5 'karl':2,3 'remix':6,7
                                   'search_artist'  'barkley':2 'gnarls':1
                                  'search_release'  'crazy':1
                                     'search_rest'  'barkley':5 'cifs466f':6 'hip':7 'hiphop':1 'hop':8 'or':9 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'barkley':9B,15 'cifs466f':16 'crazy':1A,10C 'g':4A,5A 'gnarls':8B 'hip':17 'hiphop':11 'hop':18 'karl':2A,3A 'or':19 'rap':12 'remix':6A,7A 'rnb':13 'turntablism':14
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', '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'  ['alternative', 'soul', 'funk', 'hip hop']
                                        'tag_date'  2006
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620584058.7164464  (2021-05-09 20:14:18)
                             'size'  11169718