======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '233'
                                          'artist'  'Klaus Wunderlich'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Love Is Blue - San Francisco'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'mi-earlysynth-organ'
                                             'bpm'  '109.0'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '109.0'
'TCON' (Content type, a.k.a. Genre)                 'mi-earlysynth-organ'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Love Is Blue - San Francisco'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Klaus Wunderlich'
'TRCK' (Track number/Position in set)               '05'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.28 dB'
'TXXX:replaygain_track_peak'                        '3.222764'

========================== row from database ==========================
                                              'id'  1293005
                                            'path'  /data/Music/Bulk/00spent/0justbad/Klaus Wunderlich/klaus wunderlich-the collection vol. 3/05 Klaus Wunderlich - Love Is Blue - San Francisco.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  233
                                           'genre'  mi-earlysynth-organ
                                        'filesize'  3733644
                                           'mtime'  1620528047
                                   'redo_metaread'  0
                                        'rest_str'   00spent 0justbad klaus wunderlich the collection vol. 3 05 mi earlysynth organ
                                      'tag_artist'  Klaus Wunderlich
                                     'tag_release'  None
                                       'tag_title'  Love Is Blue - San Francisco
                                             'bpm'  109.0
                                    'search_title'  'blue':3 'francisco':5 'is':2 'love':1 'san':4
                                   'search_artist'  'klaus':1 'wunderlich':2
                                  'search_release'  
                                     'search_rest'  '00spent':1 '0justbad':2 '3':9 'collection':6 'earlysynth':11 'klaus':3 'mi':10 'organ':12 'the':5 'vol':7,8 'wunderlich':4
                                    'search_combo'  '00spent':8 '0justbad':9 '3':16 'blue':3A 'collection':13 'earlysynth':18 'francisco':5A 'is':2A 'klaus':6B,10 'love':1A 'mi':17 'organ':19 'san':4A 'the':12 'vol':14,15 'wunderlich':7B,11
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528046.7509956  (2021-05-09 04:40:46)
                             'size'  3733644