======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '292'
                                          'artist'  'Hardstyle Masterz'
                                     'text_people'  ''
                                         'release'  'Hardstyle Vol.1'
                                           'title'  'Beat Diz '
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-3', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['hardstyle', 'hardbass', 'italian hardstyle', 'trance']"
                                     'discogstags'  "['hardstyle', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-th-hardstyle'
                                             'bpm'  '144.852'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hardstyle Vol.1'
'TBPM' (BPM (beats per minute))                     '144.852'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-hardstyle'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Beat Diz '
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hardstyle Masterz'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '11'
'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:discogstags'                                  ['hardstyle', 'electronic']
'TXXX:lastfmtags'                                   ['hardstyle', 'hardbass', 'italian hardstyle', 'trance']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.70 dB'
'TXXX:replaygain_track_peak'                        '0.643975'

========================== row from database ==========================
                                              'id'  1405692
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Hardstyle - The Ultimate Collection vol.1 2004 cd1/11 Hardstyle Masterz - Beat Diz (Technoboy & K-Traxx Orginal).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  292
                                           'genre'  electronic-th-hardstyle
                                        'filesize'  4688078
                                           'mtime'  1620558602
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat The Ultimate Collection vol.1 2004 cd1 11 (Technoboy & K Traxx Orginal) electronic th hardstyle
                                      'tag_artist'  Hardstyle Masterz
                                     'tag_release'  Hardstyle Vol.1
                                       'tag_title'  Beat Diz 
                                             'bpm'  144.852
                                    'search_title'  'beat':1 'diz':2
                                   'search_artist'  'hardstyle':1 'masterz':2
                                  'search_release'  '1':3 'hardstyle':1 'vol':2 'vol1':4
                                     'search_rest'  '00poprockelectronic':1 '1':9 '2004':11 'cd1':12 'collection':7 'dance':3 'electronic':19 'generic':2 'hardstyle':21 'k':15 'orginal':17,18 'technoboy':13,14 'th':20 'the':5 'trapbeat':4 'traxx':16 'ultimate':6 'vol':8 'vol1':10
                                    'search_combo'  '00poprockelectronic':9 '1':7C,17 '2004':19 'beat':1A 'cd1':20 'collection':15 'dance':11 'diz':2A 'electronic':27 'generic':10 'hardstyle':3B,5C,29 'k':23 'masterz':4B 'orginal':25,26 'technoboy':21,22 'th':28 'the':13 'trapbeat':12 'traxx':24 'ultimate':14 'vol':6C,16 'vol1':8C,18
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  1A
                                           '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-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['hardstyle', 'hardbass', 'italian hardstyle', 'trance']
                                        'tag_date'  2004
                                     'discogstags'  ['hardstyle', 'electronic']

============================== file details ==============================
                                           'mtime'  1620558601.7864223  (2021-05-09 13:10:01)
                             'size'  4688078