======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '213'
                                          'artist'  'Anita Ward'
                                     'text_people'  ''
                                         'release'  'Disco Fever (Razor & Tie) Disc 1'
                                           'title'  'Ring My Bell'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['female vocalists', 'soul', 'pop', '70s', 'disco', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '20'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo;set-pl-billboard'
                                             'bpm'  '126.1'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '1811BC14'
'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\x00B3\x00\x10\x03\x00\x00\x00~B\x00\x10\x04\x00\x00\x00\xb2\x8e\x00\x10\x05\x00\x00\x01\x07u\x00\x10\x06\x00\x00\x01N\xb7\x00\x10\x07\x00\x00\x01\xa79\x00\x10\x08\x00\x00\x01\xe4\xa6\x00\x10\t\x00\x00\x02#\r\x00\x10\n\x00\x00\x02\\\xd0\x00\x10\x0b\x00\x00\x02\x95\xf6\x00\x10\x0c\x00\x00\x02\xd6;\x00\x10\r\x00\x00\x03\x17\xe5\x00\x10\x0e\x00\x00\x03]\xa1\x00\x10\x0f\x00\x00\x03\xac\xf0\x00\x10\x10\x00\x00\x03\xf4\xbc\x00\x10\x11\x00\x00\x04/3\x00\x10\x12\x00\x00\x04tx\x00\x10\x13\x00\x00\x04\xaf\x0b\x00\x10\x14\x00\x00\x04\xec\n\x00\x10\xaa\x00\x00\x052\x19')
'TALB' (Album/Movie/Show title)                     'Disco Fever (Razor & Tie) Disc 1'
'TBPM' (BPM (beats per minute))                     '126.1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-disco or italo', 'set-pl-billboard']
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Ring My Bell'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Anita Ward'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '8/20'
'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'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['female vocalists', 'soul', 'pop', '70s', 'disco', 'funk']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.54 dB'
'TXXX:replaygain_track_peak'                        '0.781712'

========================== row from database ==========================
                                              'id'  1531371
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/Disco Fever/Anita Ward - Ring my Bell - 08.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  213
                                           'genre'  electronic-we-disco or italo;set-pl-billboard
                                        'filesize'  5116570
                                           'mtime'  1620537668
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 70_s 80_s my 08 electronic we disco italo;set pl billboard
                                      'tag_artist'  Anita Ward
                                     'tag_release'  Disco Fever (Razor & Tie) Disc 1
                                       'tag_title'  Ring My Bell
                                             'bpm'  126.1
                                    'search_title'  'bell':3 'my':2 'ring':1
                                   'search_artist'  'anita':1 'ward':2
                                  'search_release'  '1':8 'disc':7 'disco':1 'fever':2 'razor':3,4 'tie':5,6
                                     'search_rest'  '00poprockelectronic':1 '70':2 '80':4 'billboard':15 'disco':9 'electronic':7 'italo':10,12 'my':6 'pl':14 's':3,5 'set':11,13 'we':8
                                    'search_combo'  '00poprockelectronic':14 '1':13C '70':15 '80':17 'anita':4B 'bell':3A 'billboard':28 'disc':12C 'disco':6C,22 'electronic':20 'fever':7C 'italo':23,25 'my':2A,19 'pl':27 'razor':8C,9C 'ring':1A 's':16,18 'set':24,26 'tie':10C,11C 'ward':5B 'we':21
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  5A
                                           '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-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-4', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['female vocalists', 'soul', 'pop', '70s', 'disco', 'funk']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537668.2031848  (2021-05-09 07:21:08)
                             'size'  5116570