======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '272'
                                          'artist'  'Aretha Franklin'
                                     'text_people'  'Aretha Franklin'
                                         'release'  'What It Is! Funky Soul And Rare Grooves: 1967-1977 [Disc 3]'
                                           'title'  'Rock Steady (alt mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-JZFKS-2', "
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                                      'lastfmtags'  "['rhythm and blues', 'blues', 'jazz', 'female vocalists', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '21'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '139.658'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Cleaned by TuneUp!'
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'COMM:iTunes_CDDB_IDs:eng'                          '21+63315A2632CD4DC5B2F18218354D83C9+8155896'
'TALB' (Album/Movie/Show title)                     'What It Is! Funky Soul And Rare Grooves: 1967-1977 [Disc 3]'
'TBPM' (BPM (beats per minute))                     '139.658'
'TCOM' (Composer)                                   'Aretha Franklin'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v7.1.1'
'TIT2' (Title/songname/content description)         'Rock Steady (alt mix)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Aretha Franklin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '3/4'
'TRCK' (Track number/Position in set)               '13/21'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rhythm and blues', 'blues', 'jazz', 'female vocalists', 'soul']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
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'TXXX:replaygain_track_peak'                        '0.458007'

========================== row from database ==========================
                                              'id'  1346939
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/3-13 rock steady (alt mix).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  272
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  5531034
                                           'mtime'  1620541214
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 13 rock steady prerock jb jazz unsorted
                                      'tag_artist'  Aretha Franklin
                                     'tag_release'  What It Is! Funky Soul And Rare Grooves: 1967-1977 [Disc 3]
                                       'tag_title'  Rock Steady (alt mix)
                                             'bpm'  139.658
                                    'search_title'  'alt':3,4 'mix':5,6 'rock':1 'steady':2
                                   'search_artist'  'aretha':1 'franklin':2
                                  'search_release'  '1967':10 '19671977':12 '1977':11 '3':15,16 'and':6 'disc':13,14 'funky':4 'grooves':8,9 'is':3 'it':2 'rare':7 'soul':5 'what':1
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'jazz':11 'jb':10 'loose':3,4 'prerock':9 'rock':7 'steady':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':25 '1967':18C '19671977':20C '1977':19C '3':23C,24C 'alt':3A,4A 'and':14C 'aretha':7B 'disc':21C,22C 'files':29,30 'franklin':8B 'funky':12C 'grooves':16C,17C 'is':11C 'it':10C 'jazz':35 'jb':34 'loose':27,28 'mix':5A,6A 'prerock':33 'rare':15C 'rock':1A,31 'soul':13C 'steady':2A,32 'unsorted':26 'what':9C
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-4', 'q-syn-1', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['rhythm and blues', 'blues', 'jazz', 'female vocalists', 'soul']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541214.1246269  (2021-05-09 08:20:14)
                             'size'  5531034