Charles Isaiah Williams (born January 14, 1997), Isaiah (formerly known as I$AIAH), is an American rapper, singer, and songwriter. Williams is known for his easy going and energetic public persona, he is also known for his high pitch, soft angelic voice in which he creates a mixture of sounds that are easy and accomodating for any type of audience, Isaiah sound is a mixture of sounds inspired by Big Sean, The Weeknd, Travis Scott, and Classic Soul music, that can also be interpreted as nostalgic.