======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '190'
                                          'artist'  'Klaus Wunderlich'
                                     'text_people'  ''
                                         'release'  'Classics a la Wunderlich'
                                           'title'  'Moll (Pathtique)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'Q-PLAY-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-2', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '14'
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'mi-earlysynth-organ'
                                             'bpm'  '136.6'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Classics a la Wunderlich'
'TBPM' (BPM (beats per minute))                     '136.6'
'TCON' (Content type, a.k.a. Genre)                 'mi-earlysynth-organ'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         'Moll (Pathtique)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Klaus Wunderlich'
'TRCK' (Track number/Position in set)               '1/14'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.96, 192 Kbit/s, Joint Stereo, Normal quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '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'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.03 dB'
'TXXX:replaygain_track_peak'                        '0.596565'

========================== row from database ==========================
                                              'id'  1328891
                                            'path'  /data/Music/Bulk/00spent/0justbad/Klaus Wunderlich/Klaus Wunderlich - Classics A La Wunderlich  1991/Molto Allegro con brio aus Sonate c - 01 - Moll (Pathtique) - Classics a la Wunderlich.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  190
                                           'genre'  mi-earlysynth-organ
                                        'filesize'  4564681
                                           'mtime'  1620528047
                                   'redo_metaread'  0
                                        'rest_str'   00spent 0justbad A La 1991 Molto Allegro con brio Sonate 01 mi earlysynth organ
                                      'tag_artist'  Klaus Wunderlich
                                     'tag_release'  Classics a la Wunderlich
                                       'tag_title'  Moll (Pathtique)
                                             'bpm'  136.6
                                    'search_title'  'moll':1 'pathtique':2,3
                                   'search_artist'  'klaus':1 'wunderlich':2
                                  'search_release'  'a':2 'classics':1 'la':3 'wunderlich':4
                                     'search_rest'  '00spent':1 '0justbad':2 '1991':5 'a':3 'allegro':7 'brio':9 'con':8 'earlysynth':12 'la':4 'mi':11 'molto':6 'organ':13 'sonate':10
                                    'search_combo'  '00spent':10 '0justbad':11 '1991':14 'a':7C,12 'allegro':16 'brio':18 'classics':6C 'con':17 'earlysynth':21 'klaus':4B 'la':8C,13 'mi':20 'moll':1A 'molto':15 'organ':22 'pathtique':2A,3A 'sonate':19 'wunderlich':5B,9C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528046.521509  (2021-05-09 04:40:46)
                             'size'  4564681