Lyrics: get to know the feeling of liberation and relief or release?

Questions

This software company produced hits such as 'Pagemaker' & 'Illustrator'?

This South African surgeon led the team that performed the first human heart transplant in 1968?

This space station killed a cow on re entry into earth's atmosphere?

This sport allows substitutions without a stoppage in play?

This stone enabled scholars to decipher Egyptian hieroglyphs?