17  KEY SIG.: 17,STF,POS,VERT, P5)NUM OF #S OR FLATS(+=#, -=b)                                                                                                  		ADD 100 OR -100 TO P5 FOR NATURALS IN FORMATION                               			OF SHARPS OR FLATS.                                                          		P6=CLEF NUM (0=TREB, =1=BASS, =2=ALTO, =3=TENOR)                              			FOR MINI CLEFS ADD 100 TO P6.                                                βs