======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '151'
                                          'artist'  'Jimmy Reed'
                                     'text_people'  ''
                                         'release'  'Jimmy Reed'
                                           'title'  'Wee baby blues'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-2', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', 'q-drums-3', "
 "'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-JZFKS-3', "
 "'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '106.9'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_1:eng'                            '0A0EAC12+281868+18+150+12943+27316+39117+52344+65852+80212+93516+110355+122862+140490+153172+168622+181257+192591+223640+236069+250296'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '14'
'TALB' (Album/Movie/Show title)                     'Jimmy Reed'
'TBPM' (BPM (beats per minute))                     '106.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TENC' (Encoded by)                                 'iTunes v4.2.0.72'
'TIT2' (Title/songname/content description)         'Wee baby blues'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jimmy Reed'
'TPE2' (Band/orchestra/accompaniment)               'Jimmy Reed'
'TRCK' (Track number/Position in set)               '14'
'TXXX:MusicMagic Data'                              'AgEBWqOMtS6WXbYqhJT77yZjgAGBLobH2kieDQ67gPsRmqvki8fmDrDJgAG/KqpggrKAAeTQg9vzYIABgAGdjO59+niyGL9MgAKAAZwNmGCsIIOr+D0zWYing7SHrPNMooEz8IZJ4wie+oPjBRWyFZhc2xqWZYH0gZDNuJO37oGnvYCdtj/70PEwscCzcoQIgDg='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '00000f3b00004f05b6140000000104000400004101114010008083024cc98104016f4e49021be040210fd800041b0414010b0041005b2842103b2f367024f389005ef21ce132ff630e14e10c3b00213cf89483edebbd033373310b224046c3b7aee3a17eff3b05cf4fff6bce3f3b47c4aff3c040f342060a3b81c0017156d00450dd24fe37f76ff8fc3f40d5beff33fb37fbe4ca67d35b18f442a245f5d3d009c8e143cdafbe6c7e3fffec3f2b7f3c7416df8c3befbfcdf1fc3fb00a39533d000c03301d04034253f4bf8cceedb04ff40d6720de3de7cff6dfdfae5078f3f021f0c10f180be20443b0c3214038d2008340fee8334fcf43fedf63f2fb7f73f80064cbd90236ef6f8639c1c1523cef7edf7f8fae3fff939e091c0b08db0f93c7fafc8dec233c723e840c1e3305e007a365c442410a4cf44a4357a005a59f242c020e8e200851e22410837049061f300042bf100a4482aa42c85130cb001385024131eecf20c643104104b2cfffffffffeb9e3aeaccf9cfaffeffacf3cf3ef7fffe39cf9cfdbb7df7c31d36d73ff3ebacf0eb4e7adfae79cfdf75dfcdf1df3ff3cf3cffff3cf1e37dc0'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.26 dB'
'TXXX:replaygain_track_peak'                        '0.726802'

========================== row from database ==========================
                                              'id'  1495293
                                            'path'  /data/Music/Other/Pa/Blues/Jimmy Reed/Wee baby blues.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  151
                                           'genre'  prerock-jb-blues
                                        'filesize'  3033029
                                           'mtime'  1621094224
                                   'redo_metaread'  0
                                        'rest_str'   Pa Blues prerock jb
                                      'tag_artist'  Jimmy Reed
                                     'tag_release'  Jimmy Reed
                                       'tag_title'  Wee baby blues
                                             'bpm'  106.9
                                    'search_title'  'baby':2 'blues':3 'wee':1
                                   'search_artist'  'jimmy':1 'reed':2
                                  'search_release'  'jimmy':1 'reed':2
                                     'search_rest'  'blues':2 'jb':4 'pa':1 'prerock':3
                                    'search_combo'  'baby':2A 'blues':3A,9 'jb':11 'jimmy':4B,6C 'pa':8 'prerock':10 'reed':5B,7C 'wee':1A
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-3', 'Q-UNU-1', 'q-drums-3', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-2', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621094223.969429  (2021-05-15 17:57:03)
                             'size'  3033029