======================== unified (from filesystem) ========================
                                         'bitrate'  '242.446'
                                        'duration'  '258'
                                          'artist'  'Muse'
                                     'text_people'  'Matthew Bellamy'
                                         'release'  'YTMND Soundtrack - Volume 16'
                                           'title'  'Map Of The Problematique'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-4', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'epic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'soundtrack-video;rock-cppex;rock-indie'
                                             'bpm'  '125.7'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'YTMND Soundtrack - Volume 16'
'TBPM' (BPM (beats per minute))                     '125.7'
'TCOM' (Composer)                                   'Matthew Bellamy'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-video', 'rock-cppex', 'rock-indie']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Map Of The Problematique'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Muse'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '18'
'TPUB' (Publisher)                                  'Wea'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'epic', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.19 dB'
'TXXX:replaygain_track_peak'                        '0.461637'

========================== row from database ==========================
                                              'id'  1266069
                                            'path'  /data/Music/Bulk/0soundtrack/Nintendo - YTMND/YTMND Soundtrack - Volume 16/YTMND Soundtrack - Volume 16 - 04 - Muse - Map Of The Problematique.mp3
                                         'working'  None
                                         'bitrate'  242
                                    'duration_sec'  258
                                           'genre'  soundtrack-video;rock-cppex;rock-indie
                                        'filesize'  8106330
                                           'mtime'  1620737521
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Nintendo 04 soundtrack video;rock cppex;rock indie
                                      'tag_artist'  Muse
                                     'tag_release'  YTMND Soundtrack - Volume 16
                                       'tag_title'  Map Of The Problematique
                                             'bpm'  125.7
                                    'search_title'  'map':1 'of':2 'problematique':4 'the':3
                                   'search_artist'  'muse':1
                                  'search_release'  'soundtrack':2 'volume':3 'ytmnd':1
                                     'search_rest'  '0soundtrack':1 'cppex':8,10 'indie':12 'nintendo':2 'rock':5,7,9,11 'soundtrack':3 'video':4,6
                                    'search_combo'  '0soundtrack':9 'cppex':16,18 'indie':20 'map':1A 'muse':5B 'nintendo':10 'of':2A 'problematique':4A 'rock':13,15,17,19 'soundtrack':7C,11 'the':3A 'video':12,14 'volume':8C 'ytmnd':6C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'epic', 'rock']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737520.752681  (2021-05-11 14:52:00)
                             'size'  8106330