======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '195'
                                          'artist'  'Maxine Nightengale'
                                     'text_people'  ''
                                         'release'  'Disco Fever (Razor & Tie) Disc 2'
                                           'title'  'Right Back Were We Started From'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['disco', 'soul', '70s', 'pop', '7soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  '20'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '145.8'
                                             '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))                     '145.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Right Back Were We Started From'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Maxine Nightengale'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '19/20'
'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'                                   ['disco', 'soul', '70s', 'pop', '7soul']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.35 dB'
'TXXX:replaygain_track_peak'                        '0.415828'

========================== row from database ==========================
                                              'id'  1532444
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/Disco Fever/Maxine Nightengale - Right Back Were We Started From - 19.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  195
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  4698430
                                           'mtime'  1620537694
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 70_s 80_s 19 electronic we disco italo
                                      'tag_artist'  Maxine Nightengale
                                     'tag_release'  Disco Fever (Razor & Tie) Disc 2
                                       'tag_title'  Right Back Were We Started From
                                             'bpm'  145.8
                                    'search_title'  'back':2 'from':6 'right':1 'started':5 'we':4 'were':3
                                   'search_artist'  'maxine':1 'nightengale':2
                                  'search_release'  '2':8 'disc':7 'disco':1 'fever':2 'razor':3,4 'tie':5,6
                                     'search_rest'  '00poprockelectronic':1 '19':6 '70':2 '80':4 'disco':9 'electronic':7 'italo':10 's':3,5 'we':8
                                    'search_combo'  '00poprockelectronic':17 '19':22 '2':16C '70':18 '80':20 'back':2A 'disc':15C 'disco':9C,25 'electronic':23 'fever':10C 'from':6A 'italo':26 'maxine':7B 'nightengale':8B 'razor':11C,12C 'right':1A 's':19,21 'started':5A 'tie':13C,14C 'we':4A,24 'were':3A
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['disco', 'soul', '70s', 'pop', '7soul']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537693.9847832  (2021-05-09 07:21:33)
                             'size'  4698430