======================== unified (from filesystem) ========================
                                         'bitrate'  '160.335'
                                        'duration'  '327'
                                          'artist'  'Kelpe'
                                     'text_people'  ''
                                         'release'  'Ex-Aquarium'
                                           'title'  'Yippee Space Ghost (Sid version)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'downtempo', 'idm', 'electronic', 'trip hop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '14'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '137.852'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:http://www.cdtag.com:\x02\x00\xa00ú\x00'      PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xa00\xfa\x00')
'TALB' (Album/Movie/Show title)                     'Ex-Aquarium'
'TBPM' (BPM (beats per minute))                     '137.852'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2008-00-00'
'TIT2' (Title/songname/content description)         'Yippee Space Ghost (Sid version)'
'TKEY' (Initial key)                                '4A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Kelpe'
'TPUB' (Publisher)                                  'DC Recordings'
'TRCK' (Track number/Position in set)               '6/14'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 -V2 --vbr-new'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Release type'                                 'Advance'
'TXXX:Rip date'                                     '2008-01-19'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'CD (LP)'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'downtempo', 'idm', 'electronic', 'trip hop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.61 dB'
'TXXX:replaygain_track_peak'                        '0.521737'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.kelpe.co.uk/')

========================== row from database ==========================
                                              'id'  1353046
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Kelpe/Ex-Aquarium/06-kelpe-yippee_space_ghost_(sid_version).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  327
                                           'genre'  electronic
                                        'filesize'  6565555
                                           'mtime'  1636913160
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 06 kelpe yippee_space_ghost_(sid_version) electronic
                                      'tag_artist'  Kelpe
                                     'tag_release'  Ex-Aquarium
                                       'tag_title'  Yippee Space Ghost (Sid version)
                                             'bpm'  137.852
                                    'search_title'  'ghost':3 'sid':4,5 'space':2 'version':6,7 'yippee':1
                                   'search_artist'  'kelpe':1
                                  'search_release'  'aquarium':2 'ex':1 'exaquarium':3
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'electronic':14 'ghost':6,11 'kelpe':3 'sid':7,12 'space':5,10 'version':8,13 'yippee':4,9
                                    'search_combo'  '00calmer':13 '00poprockelectronic':12 'aquarium':10C 'electronic':25 'ex':9C 'exaquarium':11C 'ghost':3A,17,22 'kelpe':8B,14 'sid':4A,5A,18,23 'space':2A,16,21 'version':6A,7A,19,24 'yippee':1A,15,20
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'downtempo', 'idm', 'electronic', 'trip hop']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636913160.0034103  (2021-11-14 19:06:00)
                             'size'  6565555