hˈoːɹnbɹʊk wʌz ɪnvˈaɪɾᵻd baɪ dˈæni hˈæɹɪsən təbi ɪn hɪz bˈækɪŋ bˈænd fɚðə tˈʊɹɹɪŋ ænd pɹəmˈoʊʃən ʌv hɪz fˈɜːst sˈoʊloʊ ɹˈɛkɚd: "ɪn slˈæʃslɐʃslˌæʃ pˈæɹəlˌɛl".
Hornbrook was invited by Dhani Harrison to be in his backing band for the touring and promotion of his first solo record: "IN///PARALLEL".