The correct answer is Chandragupta II.
Samudragupta was the founder of the Gupta Empire. He was a great conqueror and expanded the empire to its greatest extent. However, there is no evidence that he was a skilled musician or poet.
Chandragupta II was the grandson of Samudragupta. He is also known as Vikramaditya. He was a great ruler and patron of the arts. He was also a skilled musician and poet.
Kumaragupta I was the son of Chandragupta II. He was a wise and just ruler. However, there is no evidence that he was a skilled musician or poet.
Skandagupta was the grandson of Chandragupta II. He was the last great ruler of the Gupta Empire. He was a brave and successful warrior. However, there is no evidence that he was a skilled musician or poet.
In conclusion, Chandragupta II was the Gupta ruler who was also a skilled musician and poet.