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 accommodating 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