Misc: what is the second largest planet?

Questions

Reggae: Who sang about "The Israelites"?

Reggae: With whom did Peter Tosh sing "(You Got to Walk and) Don't Look Back"?

REM Tune: "If you could see yourself now baby, the tables are turned"?

REM Tune: "I've had my fun & now its time to spread your conscience overseas"?

REM Tune: "Make your money with exploitation, Make it holy illumination"?