======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '215'
                                          'artist'  'The Trammps'
                                     'text_people'  ''
                                         'release'  'Disco Fever (Razor & Tie) Disc 2'
                                           'title'  'Disco Inferno'
                                           'quals'  ("['Q-HAP-4', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['pop', '70s', 'soul', 'funk', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '20'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo;set-pl-zomg80s'
                                             'bpm'  '129.8'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '0811C914'
'COMM:Comment:XXX'                                  'a djjello rip'
'MCDI' (Music CD identifier)                        MCDI(data=b'\x00\xaa\x01\x14\x00\x10\x01\x00\x00\x00\x00\x00\x00\x10\x02\x00\x00\x00>V\x00\x10\x03\x00\x00\x00\x80\x07\x00\x10\x04\x00\x00\x00\xc7G\x00\x10\x05\x00\x00\x01\nh\x00\x10\x06\x00\x00\x01A\xf4\x00\x10\x07\x00\x00\x01wK\x00\x10\x08\x00\x00\x01\xcf\xc5\x00\x10\t\x00\x00\x02\x15>\x00\x10\n\x00\x00\x02N\xe6\x00\x10\x0b\x00\x00\x02\x9fO\x00\x10\x0c\x00\x00\x02\xdem\x00\x10\r\x00\x00\x033\xe2\x00\x10\x0e\x00\x00\x03tY\x00\x10\x0f\x00\x00\x03\xc3\\\x00\x10\x10\x00\x00\x04\x0c\x86\x00\x10\x11\x00\x00\x04L\xa0\x00\x10\x12\x00\x00\x04\x8d\xd7\x00\x10\x13\x00\x00\x04\xc3[\x00\x10\x14\x00\x00\x04\xfc\xa7\x00\x10\xaa\x00\x00\x056\x04')
'TALB' (Album/Movie/Show title)                     'Disco Fever (Razor & Tie) Disc 2'
'TBPM' (BPM (beats per minute))                     '129.8'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-disco or italo', 'set-pl-zomg80s']
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Disco Inferno'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Trammps'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '11/20'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.92, 192 Kbit/s, Stereo, High quality'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop', '70s', 'soul', 'funk', 'disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.11 dB'
'TXXX:replaygain_track_peak'                        '0.505068'

========================== row from database ==========================
                                              'id'  1526287
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/Disco Fever/The Trammps - Disco Inferno - 11.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  215
                                           'genre'  electronic-we-disco or italo;set-pl-zomg80s
                                        'filesize'  5174879
                                           'mtime'  1620537710
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 70_s 80_s 11 electronic we disco italo;set pl zomg80s
                                      'tag_artist'  The Trammps
                                     'tag_release'  Disco Fever (Razor & Tie) Disc 2
                                       'tag_title'  Disco Inferno
                                             'bpm'  129.8
                                    'search_title'  'disco':1 'inferno':2
                                   'search_artist'  'the':1 'trammps':2
                                  'search_release'  '2':8 'disc':7 'disco':1 'fever':2 'razor':3,4 'tie':5,6
                                     'search_rest'  '00poprockelectronic':1 '70':2 '80':4 'disco':8 'electronic':6 'italo':9,11 'pl':13 's':3,5 'set':10,12 'we':7 'zomg80s':14
                                    'search_combo'  '00poprockelectronic':13 '2':12C '70':14 '80':16 'disc':11C 'disco':1A,5C,20 'electronic':18 'fever':6C 'inferno':2A 'italo':21,23 'pl':25 'razor':7C,8C 's':15,17 'set':22,24 'the':3B 'tie':9C,10C 'trammps':4B 'we':19 'zomg80s':26
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['pop', '70s', 'soul', 'funk', 'disco']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537709.7322152  (2021-05-09 07:21:49)
                             'size'  5174879