Ramba uchiverenga ndima ino - Harrison akatanga kukudziridza mashandiro ake somunhu aiita zvokutamba achitamba uye gare gare somutambi mumitambo yeBroadway. Muna 1990, akavamba kambani yezviitiko AntiGravity, yakaumbwa nevatambi, acrobats, uye vaimbove vakwikwidzi veOlympic, naHarrison vachishanda semutungamiriri. Ivo vave vabatanidzwa muzvirongwa zvakasiyana-siyana, kusanganisira yepakutanga yemitambo kugadzirwa, yemakambani zviitiko, uye choreographing mhenyu mabasa, kusanganisira 2008 Neighborhood Inaugural Ball
uye mhemberero dzokupedzisa dzeMitambo yeOlympic yechando ya2002. AntiGravity yakashandawo pamwe nevaimbi nevakakurumbira vepop pakuita mumitambo yeindasitiri yevaraidzo, kusanganisira iyo Academy Awards, iyo MTV Vhidhiyo Music Awards, uye maGrammys. Harrison anoramba achishanda somugadziri wezvemhepo pamitambo yeBroadway neMetropolitan Opera.