(16) A raises the pitch of a note by Semitone (a) flat (b) sharp (c) natural (d) double sharp (17) A flat lower the of a note by Semitone (a) sound (b) pitch (c) tune (d) colour

(18) Flat keys
(I) F
(II) B flat
(III) E Flat
(IV)
What is the missing key?
(a) C flat (b) D flat (c) A flat (d) G flat

(19) Sharp keys
(I) G
(II) D
(III) A
(IV)
What is the missing key
(a) B (b) C (c) E (d) F

(20) Andante in music means (a) walking pace (b) gradually getting faster (c) gradually getting louder

(21) Decrescendo in music means
(a) gradually getting slower
(b) gradually getting faster (c) gradually getting louder

(22) What is the interpretation of pianoforte?
(a) A sudden change from soft to loud
(b) A sudden change from loud to soft
(c) Extremely soft
(d) Extremely loud

(23) The eighth of a scale is called (a) pitch (b) clef (c) Octave