======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '116'
                                          'artist'  'Kyuss'
                                     'text_people'  'Brant Bjork'
                                         'release'  'Blues For The Red Sun'
                                           'title'  'Caterpillar March'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['stoner rock', 'stoner metal', 'rock', 'desert rock', 'stoner']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'rock-gr-stoner'
                                             'bpm'  '120.471'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Blues For The Red Sun'
'TBPM' (BPM (beats per minute))                     '120.471'
'TCOM' (Composer)                                   'Brant Bjork'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-stoner'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Caterpillar March'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kyuss'
'TPE2' (Band/orchestra/accompaniment)               'Kyuss'
'TPUB' (Publisher)                                  'Chameleon'
'TRCK' (Track number/Position in set)               '7'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.96, 192 Kbit/s, Joint Stereo, Normal quality'
'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', 'rock', 'desert rock', 'stoner']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.86 dB'
'TXXX:replaygain_track_peak'                        '0.776529'

========================== row from database ==========================
                                              'id'  1359688
                                            'path'  /data/Music/Bulk/00poprockelectronic/Kyuss/Blues For The Red Sun/kyuss - 07 - caterpillar march.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  116
                                           'genre'  rock-gr-stoner
                                        'filesize'  2793231
                                           'mtime'  1636917991
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic kyuss 07 caterpillar march rock gr stoner
                                      'tag_artist'  Kyuss
                                     'tag_release'  Blues For The Red Sun
                                       'tag_title'  Caterpillar March
                                             'bpm'  120.471
                                    'search_title'  'caterpillar':1 'march':2
                                   'search_artist'  'kyuss':1
                                  'search_release'  'blues':1 'for':2 'red':4 'sun':5 'the':3
                                     'search_rest'  '00poprockelectronic':1 'caterpillar':3 'gr':6 'kyuss':2 'march':4 'rock':5 'stoner':7
                                    'search_combo'  '00poprockelectronic':9 'blues':4C 'caterpillar':1A,11 'for':5C 'gr':14 'kyuss':3B,10 'march':2A,12 'red':7C 'rock':13 'stoner':15 'sun':8C 'the':6C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-grit-2']
                                      'lastfmtags'  ['stoner rock', 'stoner metal', 'rock', 'desert rock', 'stoner']
                                        'tag_date'  1992
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636917990.7695036  (2021-11-14 20:26:30)
                             'size'  2793231