======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '504'
                                          'artist'  'Tiga and Zyntherius'
                                     'text_people'  ''
                                         'release'  'Sunglasses at Night'
                                           'title'  'Sunglasses at Night (12 Inch V'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['electroclash', 'electronic', 'electro', 'techno', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '86.697'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sunglasses at Night'
'TBPM' (BPM (beats per minute))                     '86.697'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Sunglasses at Night (12 Inch V'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tiga and Zyntherius'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electroclash', 'electronic', 'electro', 'techno', 'electronica']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.00 dB'
'TXXX:replaygain_track_peak'                        '0.614658'

========================== row from database ==========================
                                              'id'  1293867
                                            'path'  /data/Music/Bulk/00poprockelectronic/Tiga/Tiga & Zyntherius/03. Sunglasses At Night (12 Inch Version).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  504
                                           'genre'  electronic-unsorted
                                        'filesize'  8082815
                                           'mtime'  1620572353
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic & 03. At Version) electronic unsorted
                                      'tag_artist'  Tiga and Zyntherius
                                     'tag_release'  Sunglasses at Night
                                       'tag_title'  Sunglasses at Night (12 Inch V
                                             'bpm'  86.697
                                    'search_title'  '12':4,5 'at':2 'inch':6 'night':3 'sunglasses':1 'v':7
                                   'search_artist'  'and':2 'tiga':1 'zyntherius':3
                                  'search_release'  'at':2 'night':3 'sunglasses':1
                                     'search_rest'  '00poprockelectronic':1 '03':2,3 'at':4 'electronic':7 'unsorted':8 'version':5,6
                                    'search_combo'  '00poprockelectronic':14 '03':15,16 '12':4A,5A 'and':9B 'at':2A,12C,17 'electronic':20 'inch':6A 'night':3A,13C 'sunglasses':1A,11C 'tiga':8B 'unsorted':21 'v':7A 'version':18,19 'zyntherius':10B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', '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-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electroclash', 'electronic', 'electro', 'techno', 'electronica']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572353.3342373  (2021-05-09 16:59:13)
                             'size'  8082815