======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '196'
                                          'artist'  'Leroy  Carr'
                                     'text_people'  ''
                                         'release'  'Leroy  Carr'
                                           'title'  'Rocks in my bed'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-2', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', "
 "'q-other-4', 'q-piano-1', 'q-vocals-4', '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'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '84.5'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Leroy  Carr'
'TBPM' (BPM (beats per minute))                     '84.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Rocks in my bed'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Leroy  Carr'
'TPE2' (Band/orchestra/accompaniment)               'Leroy  Carr'
'TXXX:MusicMagic Data'                              'AQEBYiAYg0OlbKm4g1lMOT65jhWBCorXAwWhOvWKgIPRpoABgAEK17ASgAHs2YRFhp+AAahR/1SzqIABgAGg5Ail3MPKP5PkgAKAAQ=='
'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/'                       '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'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.838518'

========================== row from database ==========================
                                              'id'  1495491
                                            'path'  /data/Music/Other/Pa/Blues/Leroy  Carr/Rocks in my bed.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  196
                                           'genre'  prerock-jb-blues
                                        'filesize'  3938795
                                           'mtime'  1621094224
                                   'redo_metaread'  0
                                        'rest_str'   Pa Blues prerock jb blues
                                      'tag_artist'  Leroy  Carr
                                     'tag_release'  Leroy  Carr
                                       'tag_title'  Rocks in my bed
                                             'bpm'  84.5
                                    'search_title'  'bed':4 'in':2 'my':3 'rocks':1
                                   'search_artist'  'carr':2 'leroy':1
                                  'search_release'  'carr':2 'leroy':1
                                     'search_rest'  'blues':2 'jb':4 'pa':1 'prerock':3
                                    'search_combo'  'bed':4A 'blues':10 'carr':6B,8C 'in':2A 'jb':12 'leroy':5B,7C 'my':3A 'pa':9 'prerock':11 'rocks':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-2', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621094224.1296215  (2021-05-15 17:57:04)
                             'size'  3938795