======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '195'
                                          'artist'  'Bernard Lubat'
                                     'text_people'  ''
                                         'release'  'French Funk Experience'
                                           'title'  'Aubergine Time (vb. funk FR)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jazz', 'library music', 'library']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '138.9'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/WMCollectionID:AöÊaöGçF¶\x00\x98l@ÉÐA'     PRIV(owner='WM/WMCollectionID', data=b'A\xf6\xcaa\xf6G\xe7F\xb6\x00\x98l@\xc9\xd0A')
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'TALB' (Album/Movie/Show title)                     'French Funk Experience'
'TBPM' (BPM (beats per minute))                     '138.9'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Aubergine Time (vb. funk FR)'
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '195626'
'TPE1' (Lead performer(s)/Soloist(s))               'Bernard Lubat'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Nascente'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['jazz', 'library music', 'library']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-8.59 dB'
'TXXX:replaygain_track_peak'                        '1.078362'

========================== row from database ==========================
                                              'id'  1528634
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Bernard Lubat - Aubergine Time (vb. funk FR).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  195
                                           'genre'  funk or soul
                                        'filesize'  7821824
                                           'mtime'  1628357648
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing soul EASY Instr 70_s or soul
                                      'tag_artist'  Bernard Lubat
                                     'tag_release'  French Funk Experience
                                       'tag_title'  Aubergine Time (vb. funk FR)
                                             'bpm'  138.9
                                    'search_title'  'aubergine':1 'fr':6,7 'funk':5 'time':2 'vb':3,4
                                   'search_artist'  'bernard':1 'lubat':2
                                  'search_release'  'experience':3 'french':1 'funk':2
                                     'search_rest'  '70':5 'easy':3 'instr':4 'or':7 's':6 'soul':2 'swing':1
                                    'search_combo'  '70':17 'aubergine':1A 'bernard':8B 'easy':15 'experience':12C 'fr':6A,7A 'french':10C 'funk':5A,11C 'instr':16 'lubat':9B 'or':19 's':18 'soul':14 'swing':13 'time':2A 'vb':3A,4A
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'library music', 'library']
                                        'tag_date'  2010
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1628357648.277119  (2021-08-07 19:34:08)
                             'size'  7821824