======================== unified (from filesystem) ========================
                                         'bitrate'  '183.028'
                                        'duration'  '266'
                                          'artist'  'Jimi Hendrix'
                                     'text_people'  ''
                                         'release'  'Electric Ladyland'
                                           'title'  'Still Raining, Still Dreaming'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']"
                                     'discogstags'  "['rock', 'non-music', 'blues rock', 'interview']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic;rock-pop-early-blues;rock-cppex'
                                             'bpm'  '111.8'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Electric Ladyland'
'TBPM' (BPM (beats per minute))                     '111.8'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic', 'rock-pop-early-blues', 'rock-cppex']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Still Raining, Still Dreaming'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jimi Hendrix'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'non-music', 'blues rock', 'interview']
'TXXX:lastfmtags'                                   ['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.50 dB'
'TXXX:replaygain_track_peak'                        '0.555896'

========================== row from database ==========================
                                              'id'  1486381
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Jimi Hendrix/Jimi Hendrix - 1968 - Electric Ladyland/13 - Still Raining, Still Dreaming.mp3
                                         'working'  None
                                         'bitrate'  183
                                    'duration_sec'  266
                                           'genre'  rock-cppex-psychedelic;rock-pop-early-blues;rock-cppex
                                        'filesize'  6094487
                                           'mtime'  1635960219
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 1968 13 rock cppex psychedelic;rock pop early blues;rock cppex
                                      'tag_artist'  Jimi Hendrix
                                     'tag_release'  Electric Ladyland
                                       'tag_title'  Still Raining, Still Dreaming
                                             'bpm'  111.8
                                    'search_title'  'dreaming':4 'raining':2,3 'still':1
                                   'search_artist'  'hendrix':2 'jimi':1
                                  'search_release'  'electric':1 'ladyland':2
                                     'search_rest'  '1968':2 'blues':11,13 'classicprogpsy':1 'cppex':4 'early':10 'pop':9 'psychedelic':5,7 'rock':3,6,8,12,14
                                    'search_combo'  '1968':10 'blues':19,21 'classicprogpsy':9 'cppex':12 'dreaming':4A 'early':18 'electric':7C 'hendrix':6B 'jimi':5B 'ladyland':8C 'pop':17 'psychedelic':13,15 'raining':2A,3A 'rock':11,14,16,20,22 'still':1A
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']
                                        'tag_date'  1968
                                     'discogstags'  ['rock', 'non-music', 'blues rock', 'interview']

============================== file details ==============================
                                           'mtime'  1635960218.7684107  (2021-11-03 18:23:38)
                             'size'  6094487