Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla A shekara ta 2014 Vulfpeck ya saki wani kundi mai shiru a kan Spotify mai suna'' Sleepify''.
Tabbas, mafi rikitarwa na jumla ita ce "A cikin 2014 Vulfpeck ya saki '' Sleepify ',' wani kundin shiru a kan Spotify wanda ya samar da kimanin $ 20,000 a cikin haƙƙin mallaka a cikin watanni biyu. "