Consider the following premises. There is at least one x_1 for which if x_1 sleeps, then x_1 is a musician. For all x_1, if x_1 plays squash, then x_1 is sleeping. For all x_1, x_1 is not a musician. Can we infer the following from them? There is at least one x_1 for which if x_1 sleeps, then x_1 is a musician.
That is one of the premises. Therefore, the answer is yes.