1. A) Violin and Piano. B) Guitar and Violin. C) Saxophone and Guitar. D) Drum and trumpet. 2. A) To find out whether they take music lessons in their spare time. B) To find out whether they can name four different musical instruments. C) To find out whether they enjoy playing musical instruments in school. D) To find out whether they differ in their preference for musical instruments. 3. A) Because they find them too hard to play. B) Because they think it silly to play them. C) Because they find it not challenging enough to play them. D) Because they consider it important to be different from girls. 4. A) Children who have private music tutors. B) Children who are 8 or older. C) Children who are between 5 and 7. D) Children who are well-educated.