======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '108'
                                          'artist'  'Stimmhorn'
                                     'text_people'  ''
                                         'release'  'Melken'
                                           'title'  'Nieselnebel kommt'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swiss', 'folk', 'yodeling', 'experimental', 'ambient']"
                                     'discogstags'  "['avantgarde']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '115.2'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Melken'
'TBPM' (BPM (beats per minute))                     '115.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Nieselnebel kommt'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Stimmhorn'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'avantgarde'
'TXXX:lastfmtags'                                   ['swiss', 'folk', 'yodeling', 'experimental', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.76 dB'
'TXXX:replaygain_track_peak'                        '0.692807'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.stimmhorn.ch/')

========================== row from database ==========================
                                              'id'  289405
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Stimmhorn/1997 - Stimmhorn - Melken (Röhrender Hirsch) [224k]/09 - nieselnebel kommt.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  108
                                           'genre'  electronic
                                        'filesize'  3066613
                                           'mtime'  1636912692
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1997 (Röhrender Hirsch) [224k] 09 nieselnebel electronic
                                      'tag_artist'  Stimmhorn
                                     'tag_release'  Melken
                                       'tag_title'  Nieselnebel kommt
                                             'bpm'  115.2
                                    'search_title'  'kommt':2 'nieselnebel':1
                                   'search_artist'  'stimmhorn':1
                                  'search_release'  'melken':1
                                     'search_rest'  '1997':1 '224k':8,9 'electronic':11 'hirsch':6,7 'nieselnebel':10 'rohrender':2,3,4,5
                                    'search_combo'  '1997':5 '224k':12,13 'electronic':15 'hirsch':10,11 'kommt':2A 'melken':4C 'nieselnebel':1A,14 'rohrender':6,7,8,9 'stimmhorn':3B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['swiss', 'folk', 'yodeling', 'experimental', 'ambient']
                                        'tag_date'  1996
                                     'discogstags'  ['avantgarde']

============================== file details ==============================
                                           'mtime'  1636912691.8471498  (2021-11-14 18:58:11)
                             'size'  3066613