======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '315'
                                          'artist'  'Pila '
                                     'text_people'  ''
                                         'release'  'Hardstyle Vol.1'
                                           'title'  'The History'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-3', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['hardstyle', 'electronic', 'hardcore']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-th-hardstyle'
                                             'bpm'  '143.823'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hardstyle Vol.1'
'TBPM' (BPM (beats per minute))                     '143.823'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-hardstyle'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'The History'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pila '
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['hardstyle', 'electronic', 'hardcore']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.64 dB'
'TXXX:replaygain_track_peak'                        '0.642271'

========================== row from database ==========================
                                              'id'  1407175
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Hardstyle - The Ultimate Collection vol.1 2004 cd1/05 Pila - The History.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  315
                                           'genre'  electronic-th-hardstyle
                                        'filesize'  5058384
                                           'mtime'  1620558601
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Ultimate Collection vol.1 2004 cd1 05 electronic th hardstyle
                                      'tag_artist'  Pila 
                                     'tag_release'  Hardstyle Vol.1
                                       'tag_title'  The History
                                             'bpm'  143.823
                                    'search_title'  'history':2 'the':1
                                   'search_artist'  'pila':1
                                  'search_release'  '1':3 'hardstyle':1 'vol':2 'vol1':4
                                     'search_rest'  '00poprockelectronic':1 '1':8 '2004':10 'cd1':11 'collection':6 'dance':3 'electronic':12 'generic':2 'hardstyle':14 'th':13 'trapbeat':4 'ultimate':5 'vol':7 'vol1':9
                                    'search_combo'  '00poprockelectronic':8 '1':6C,15 '2004':17 'cd1':18 'collection':13 'dance':10 'electronic':19 'generic':9 'hardstyle':4C,21 'history':2A 'pila':3B 'th':20 'the':1A 'trapbeat':11 'ultimate':12 'vol':5C,14 'vol1':7C,16
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['hardstyle', 'electronic', 'hardcore']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620558600.928366  (2021-05-09 13:10:00)
                             'size'  5058384