======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '293'
                                          'artist'  'HammerFall'
                                     'text_people'  ''
                                         'release'  'One Crimson Night (CD 1)'
                                           'title'  'Riders Of The Storm'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['swedish', 'power metal', 'metal', 'symphonic metal', 'heavy metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '141.019'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'One Crimson Night (CD 1)'
'TBPM' (BPM (beats per minute))                     '141.019'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Riders Of The Storm'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'HammerFall'
'TRCK' (Track number/Position in set)               '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'                                   ['swedish', 'power metal', 'metal', 'symphonic metal', 'heavy metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.04 dB'
'TXXX:replaygain_track_peak'                        '0.349704'

========================== row from database ==========================
                                              'id'  1353384
                                            'path'  /data/Music/Bulk/00poprockelectronic/Galleon/Galleon - King Of Aragon/Galleon - King Of Aragon - 07 - Eternal Shadows alt version.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  293
                                           'genre'  electronic-unsorted
                                        'filesize'  7063803
                                           'mtime'  1620569593
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Galleon Galleon King Aragon Galleon King Aragon 07 Eternal Shadows alt version electronic unsorted
                                      'tag_artist'  HammerFall
                                     'tag_release'  One Crimson Night (CD 1)
                                       'tag_title'  Riders Of The Storm
                                             'bpm'  141.019
                                    'search_title'  'of':2 'riders':1 'storm':4 'the':3
                                   'search_artist'  'fall':3 'hammer':2 'hammerfall':1
                                  'search_release'  '1':6,7 'cd':4,5 'crimson':2 'night':3 'one':1
                                     'search_rest'  '00poprockelectronic':1 'alt':7 'aragon':4 'electronic':9 'eternal':5 'galleon':2 'king':3 'shadows':6 'unsorted':10 'version':8
                                    'search_combo'  '00poprockelectronic':15 '1':13C,14C 'alt':21 'aragon':18 'cd':11C,12C 'crimson':9C 'electronic':23 'eternal':19 'fall':7B 'galleon':16 'hammer':6B 'hammerfall':5B 'king':17 'night':10C 'of':2A 'one':8C 'riders':1A 'shadows':20 'storm':4A 'the':3A 'unsorted':24 'version':22
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'power metal', 'metal', 'symphonic metal', 'heavy metal']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620569592.9845536  (2021-05-09 16:13:12)
                             'size'  7063803