======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '468'
                                          'artist'  'Bruch'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Vioolconcert nr 1 - Finale: Allegro'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', "
 "'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-HAP-3', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-1', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '88.6'
                                             'key'  'E m'  (9A)
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '88.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Vioolconcert nr 1 - Finale: Allegro'
'TKEY' (Initial key)                                'E m'
'TPE1' (Lead performer(s)/Soloist(s))               'Bruch'
'TRCK' (Track number/Position in set)               '03'
'TXXX:MusicMagic Data'                              'AgEAP9jallivNeq6g3zgziFHgAGBy4ACO0GpKAVPgAHk/YABgAE+lrC4gAHA3YVSja+AAb3G7L3EwYABgAG2OjTW2zq75qKcgAKAAZMvxvHM94KH000goYkEgTKATyYOqJ7/V4AG09yaN4B/DKGvT4B/syuBeZDpgAGpNBjsrXSXZoABr6soCtXnwuaXQYACgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.12 dB'
'TXXX:replaygain_track_peak'                        '0.752870'

========================== row from database ==========================
                                              'id'  1495610
                                            'path'  /data/Music/Other/Pa/Klassiek/Violin Concerto No.1 Op. 26/Finale_ Allegro energico.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  468
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  9377931
                                           'mtime'  1621094170
                                   'redo_metaread'  0
                                        'rest_str'   Pa Klassiek Violin Concerto No.1 Op. 26 Finale_ energico prerock classical or classical instruments
                                      'tag_artist'  Bruch
                                     'tag_release'  None
                                       'tag_title'  Vioolconcert nr 1 - Finale: Allegro
                                             'bpm'  88.6
                                    'search_title'  '1':3 'allegro':6 'finale':4,5 'nr':2 'vioolconcert':1
                                   'search_artist'  'bruch':1
                                  'search_release'  
                                     'search_rest'  '1':6 '26':10 'classical':14 'concerto':4 'energico':12 'finale':11 'instruments':16 'klassiek':2 'no':5 'no1':7 'op':8,9 'or':15 'pa':1 'prerock':13 'violin':3
                                    'search_combo'  '1':3A,13 '26':17 'allegro':6A 'bruch':7B 'classical':21 'concerto':11 'energico':19 'finale':4A,5A,18 'instruments':23 'klassiek':9 'no':12 'no1':14 'nr':2A 'op':15,16 'or':22 'pa':8 'prerock':20 'violin':10 'vioolconcert':1A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  E m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621094169.7559614  (2021-05-15 17:56:09)
                             'size'  9377931