======================== unified (from filesystem) ========================
                                         'bitrate'  '191.712'
                                        'duration'  '287'
                                          'artist'  'Elvenking'
                                     'text_people'  ''
                                         'release'  'The Winter Wake'
                                           'title'  'Rouse Your Dream'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['folk metal', 'power metal', 'metal', 'folk power metal', 'melodic metal', "
 "'italian']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal-folk'
                                             'bpm'  '108.413'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Winter Wake'
'TBPM' (BPM (beats per minute))                     '108.413'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-folk'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Rouse Your Dream'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Elvenking'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '1'
'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'                                   ['folk metal',
 'power metal',
 'metal',
 'folk power metal',
 'melodic metal',
 'italian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'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'                        '-1.54 dB'
'TXXX:replaygain_track_peak'                        '0.438985'

========================== row from database ==========================
                                              'id'  1401157
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Elvenking/Elvenking - The Winter Wake/Elvenking - 09 - Rouse Your Dream.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  287
                                           'genre'  eid-metal-folk
                                        'filesize'  6903680
                                           'mtime'  1620301664
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 09 eid metal folk
                                      'tag_artist'  Elvenking
                                     'tag_release'  The Winter Wake
                                       'tag_title'  Rouse Your Dream
                                             'bpm'  108.413
                                    'search_title'  'dream':3 'rouse':1 'your':2
                                   'search_artist'  'elvenking':1
                                  'search_release'  'the':1 'wake':3 'winter':2
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':3 'folk':5 'metal':4
                                    'search_combo'  '00dwimp':8 '00metal':9 'dream':3A 'eid':10 'elvenking':4B 'folk':12 'metal':11 'rouse':1A 'the':5C 'wake':7C 'winter':6C 'your':2A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  11A
                                           '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-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['folk metal', 'power metal', 'metal', 'folk power metal', 'melodic metal', 'italian']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301664.3424015  (2021-05-06 13:47:44)
                             'size'  6903680