======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '441'
                                          'artist'  'Orange Goblin'
                                     'text_people'  ''
                                         'release'  'Coup the Grace'
                                           'title'  "Orange Goblin - Stinkin' O Gi"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['stoner rock', 'stoner metal', 'hard rock', 'doom metal', 'stoner']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-gr-stoner'
                                             'bpm'  '145.163'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Coup the Grace'
'TBPM' (BPM (beats per minute))                     '145.163'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-stoner'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         "Orange Goblin - Stinkin' O Gi"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Orange Goblin'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['stoner rock', 'stoner metal', 'hard rock', 'doom metal', 'stoner']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.52 dB'
'TXXX:replaygain_track_peak'                        '0.324440'

========================== row from database ==========================
                                              'id'  1522040
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Orange Goblin/Orange Goblin - Coup de Grace/12 - Orange Goblin - Stinkin_ O Gin.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  441
                                           'genre'  rock-gr-stoner
                                        'filesize'  10600637
                                           'mtime'  1636917484
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy de 12 Stinkin_ Gin rock gr stoner
                                      'tag_artist'  Orange Goblin
                                     'tag_release'  Coup the Grace
                                       'tag_title'  Orange Goblin - Stinkin' O Gi
                                             'bpm'  145.163
                                    'search_title'  'gi':6 'goblin':2 'o':5 'orange':1 'stinkin':3,4
                                   'search_artist'  'goblin':2 'orange':1
                                  'search_release'  'coup':1 'grace':3 'the':2
                                     'search_rest'  'classicprogpsy':1 'de':2 'gin':4 'gr':6 'rock':5 'stinkin':3 'stoner':7
                                    'search_combo'  'classicprogpsy':12 'coup':9C 'de':13 'gi':6A 'gin':15 'goblin':2A,8B 'gr':17 'grace':11C 'o':5A 'orange':1A,7B 'rock':16 'stinkin':3A,4A,14 'stoner':18 'the':10C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['stoner rock', 'stoner metal', 'hard rock', 'doom metal', 'stoner']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636917483.8818812  (2021-11-14 20:18:03)
                             'size'  10600637