======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '437'
                                          'artist'  'Central Processing Unit'
                                     'text_people'  'Samy Guediche'
                                         'release'  'Central Processing Unit'
                                           'title'  'Peak Detector'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['trance', 'goa', 'psychedelic trance', 'psytrance', 'full on', 'psychedelic']"
                                     'discogstags'  "['electronic', 'psy-trance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance-goa or psy;electronic-th-trance'
                                             'bpm'  '145.059'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:䥄㍶ㄠ䍯浭敮:XXX'                                   '兯灨※'
'TALB' (Album/Movie/Show title)                     'Central Processing Unit'
'TBPM' (BPM (beats per minute))                     '145.059'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-th-trance-goa or psy',
 'electronic-th-trance',
 'electronic-th-trance-goa or psy']
'TCOP' (Copyright message)                          '3D Vision 2003 - 3DVCD017'
'TDRC' (Recording time)                             '2003'
'TENC' (Encoded by)                                 'PsyCZ EAC & LameEnc by mkx'
'TIT2' (Title/songname/content description)         'Peak Detector'
'TKEY' (Initial key)                                '9A'
'TOPE' (Original artist(s)/performer(s))            'Samy Guediche'
'TPE1' (Lead performer(s)/Soloist(s))               'Central Processing Unit'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'psy-trance']
'TXXX:lastfmtags'                                   ['trance', 'goa', 'psychedelic trance', 'psytrance', 'full on', 'psychedelic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.66 dB'
'TXXX:replaygain_track_peak'                        '0.530242'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.3dvisionrecords.com')

========================== row from database ==========================
                                              'id'  1407412
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Central Processing Unit - CPU/3d vision/Central Processing Unit -  Peak Detector.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  437
                                           'genre'  electronic-th-trance-goa or psy;electronic-th-trance
                                        'filesize'  10502644
                                           'mtime'  1620559171
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat CPU 3d vision electronic th trance goa psy;electronic th trance
                                      'tag_artist'  Central Processing Unit
                                     'tag_release'  Central Processing Unit
                                       'tag_title'  Peak Detector
                                             'bpm'  145.059
                                    'search_title'  'detector':2 'peak':1
                                   'search_artist'  'central':1 'processing':2 'unit':3
                                  'search_release'  'central':1 'processing':2 'unit':3
                                     'search_rest'  '00poprockelectronic':1 '3d':6 'cpu':5 'dance':3 'electronic':8,13,15 'generic':2 'goa':11 'psy':12,14 'th':9 'trance':10 'trapbeat':4 'vision':7
                                    'search_combo'  '00poprockelectronic':9 '3d':14 'central':3B,6C 'cpu':13 'dance':11 'detector':2A 'electronic':16,21,23 'generic':10 'goa':19 'peak':1A 'processing':4B,7C 'psy':20,22 'th':17 'trance':18 'trapbeat':12 'unit':5B,8C 'vision':15
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'goa', 'psychedelic trance', 'psytrance', 'full on', 'psychedelic']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic', 'psy-trance']

============================== file details ==============================
                                           'mtime'  1620559171.1278331  (2021-05-09 13:19:31)
                             'size'  10502644