Misc: where in the body would you find the left ventricle?

Questions

in 1983, who released 'let's dance'?

in 1986, who sang tommy james' 'mony mony'?

in 1987, which band asked you to 'pour some sugar on me'?

in 1991, which group 'rolled the bones'?

in 1992,which group combined hip hop with blues sensibility on 'three years five months & two days in the life of...'?