======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '230'
                                          'artist'  'Commander Tom'
                                     'text_people'  ''
                                         'release'  'Hardstyle The Ultimate Collection Vol.1'
                                           'title'  'Are Am Eye? (Mirko Milano Remix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['trance', 'dance', 'rave', 'techno', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-th-hardstyle'
                                             'bpm'  '142.708'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hardstyle The Ultimate Collection Vol.1'
'TBPM' (BPM (beats per minute))                     '142.708'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-hardstyle'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Are Am Eye? (Mirko Milano Remix)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Commander Tom'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1'
'TXXX:MP3GAIN_MINMAX'                               '118,213'
'TXXX:MP3GAIN_UNDO'                                 '+003,+003,N'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['trance', 'dance', 'rave', 'techno', 'electronic']
'TXXX:q-bass'                                       '4'
'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'                        '-1.80 dB'
'TXXX:replaygain_track_peak'                        '0.597175'

========================== row from database ==========================
                                              'id'  1406656
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Hardstyle - The Ultimate Collection vol.1 2004 cd4/01 Are Am Eye_ (Mirko Milano Remix).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  230
                                           'genre'  electronic-th-hardstyle
                                        'filesize'  3691897
                                           'mtime'  1620558608
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat vol.1 2004 cd4 01 Eye_ electronic th hardstyle
                                      'tag_artist'  Commander Tom
                                     'tag_release'  Hardstyle The Ultimate Collection Vol.1
                                       'tag_title'  Are Am Eye? (Mirko Milano Remix)
                                             'bpm'  142.708
                                    'search_title'  'am':2 'are':1 'eye':3 'milano':6 'mirko':4,5 'remix':7,8
                                   'search_artist'  'commander':1 'tom':2
                                  'search_release'  '1':6 'collection':4 'hardstyle':1 'the':2 'ultimate':3 'vol':5 'vol1':7
                                     'search_rest'  '00poprockelectronic':1 '1':6 '2004':8 'cd4':9 'dance':3 'electronic':11 'eye':10 'generic':2 'hardstyle':13 'th':12 'trapbeat':4 'vol':5 'vol1':7
                                    'search_combo'  '00poprockelectronic':18 '1':16C,23 '2004':25 'am':2A 'are':1A 'cd4':26 'collection':14C 'commander':9B 'dance':20 'electronic':28 'eye':3A,27 'generic':19 'hardstyle':11C,30 'milano':6A 'mirko':4A,5A 'remix':7A,8A 'th':29 'the':12C 'tom':10B 'trapbeat':21 'ultimate':13C 'vol':15C,22 'vol1':17C,24
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5A
                                           '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-4', 'q-grit-3']
                                      'lastfmtags'  ['trance', 'dance', 'rave', 'techno', 'electronic']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620558607.6872947  (2021-05-09 13:10:07)
                             'size'  3691897