======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '236'
                                          'artist'  'The Knife'
                                     'text_people'  ''
                                         'release'  'Got 2 Let U CDS'
                                           'title'  'Got 2 Let U'
                                           'quals'  "['q-bass-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'synthpop'
                                             'bpm'  '106.0'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Got 2 Let U CDS'
'TBPM' (BPM (beats per minute))                     '106.0'
'TCON' (Content type, a.k.a. Genre)                 'synthpop'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Got 2 Let U'
'TKEY' (Initial key)                                '8B'
'TLEN' (Length)                                     '236418'
'TPE1' (Lead performer(s)/Soloist(s))               'The Knife'
'TXXX:MusicMagic Data'                              'AgEAZlJhhaCPMKSzgZL5LIABf4qBhYHQwFuVMVx/thO5VIABgAHCQ6yQ7WYDqYABgAGAAadagYHZJwEMgAHNF9yZH3qAAaanhQOAAZO+oLCvioMtCfM2PNw0gweDtNFplMtSbr8B4C2Xgob0zf6ybsaK48KuToLtgbPbUpZWA0LxcYBx1b/t7AhaoYPFC6jTgbo='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'

========================== row from database ==========================
                                              'id'  1538729
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/The Knife/got2 let u.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  236
                                           'genre'  synthpop
                                        'filesize'  5676403
                                           'mtime'  1662800235
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1] got2 let u synthpop
                                      'tag_artist'  The Knife
                                     'tag_release'  Got 2 Let U CDS
                                       'tag_title'  Got 2 Let U
                                             'bpm'  106.0
                                    'search_title'  '2':2 'got':1 'let':3 'u':4
                                   'search_artist'  'knife':2 'the':1
                                  'search_release'  '2':2 'cds':5 'got':1 'let':3 'u':4
                                     'search_rest'  '0yay1':2,3 'got2':4 'let':5 'prev':8 'prevset':1 'set':9 'synthpop':7 'u':6
                                    'search_combo'  '0yay1':13,14 '2':2A,8C 'cds':11C 'got':1A,7C 'got2':15 'knife':6B 'let':3A,9C,16 'prev':19 'prevset':12 'set':20 'synthpop':18 'the':5B 'u':4A,10C,17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['q-bass-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1']
                                      'lastfmtags'  []
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800234.8790314  (2022-09-10 10:57:14)
                             'size'  5676403