At school he was also able to pursue his love for music. Kempe had a very fine counter-tenor voice and as a member of St Paul's School Choral Society he sang the treble parts as a young boy, while later in his school career he sang alto.
Sa paaralan siya rin magagawang ituloy ang kanyang pag-ibig para sa musika. Kempe nagkaroon ng isang napaka-fine counter-tenor na boses at bilang isang miyembro ng St Paul's School koro Lipunan siya sang triple ang mga bahagi bilang isang bata, habang mamaya sa kanyang paaralan karera siya sang alto.