obscure no 1's

can you name these obscure number 1's

1 Who sang " The Heartaches begin" in the 60's
2 who sang about a " japanese boy " in the 80's
3 where did typically tropical want to go to in the 70's
4 who pointed the "Finger Of Suspicion" in the 50's
5 how many steps to heaven did eddie cochran sing about
6 who had a no 1 with " inside " made famous by a levi's commercial
7 who sang "candy girl" back in the 80's
8 which soap star had a number 1 with " sealed with a kiss "
9 who sang about a " combine harvester " in the 70's
10 who was " under pressure " in the 80's