dɹˈeɪpɚ kˈoʊɹˈoʊt ðə sˈɔŋ "kˈɔːlɪŋ ˈɑːkjʊpənts ʌv ˌɪntɚplˈænɪtˌɛɹi kɹˈæft", wˌɪtʃ wʌz nˌɑːt ˈoʊnli səksˈɛsfəl wɪð hɪz bˈænd klˈɑːɾuː, bˌʌt ˈɔːlsoʊ bɪkˌeɪm ɐ tˈɑːp fˈoːɹɾi hˈɪt fɚðə kˈɑːɹpəntɚz wɛn ðeɪ kˈʌvɚd ɪɾ ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti sˈɛvən.
Draper co-wrote the song "Calling Occupants of Interplanetary Craft", which was not only successful with his band Klaatu, but also became a Top-40 hit for the Carpenters when they covered it in 1977.