Ty Dolla Sign appeared on the 2014 album Ohio belonging to which American rapper? 
Ohio (Stalley album):  The album features guest appearances from Nipsey Hussle, Rick Ross, August Alsina, Ty Dolla Sign, Rashad and De La Soul. Ty Dolla Sign: Tyrone William Griffin Jr. (born April 13, 1985), known professionally as Ty Dolla Sign (stylized as Ty Dolla $ign or Ty$), is an American singer, rapper, songwriter, and record producer.
i don't know