How can these sentences be combined to include a dependent clause? the pianist had great talent. he could play rachmaninoff blindfolded.

The given sentences on the question are following:

1.The pianist had great talent.

2.He could play Rachmaninoff blindfolded

These two sentences can be combined including a dependent clause.So, the answer of the question is given below.

*The pianist had a great talent who play Rachmaninoff blindfolded.

Explanation:The dependent clause are the kind of clause those who  can not express a meaningful sentence without the help of other clause. They normally start with a subordinate conjunction.  There are three kinds of dependent clause. They are:1. Adjective clause

                                                                 2.Adverbial clause

                                                                  3. Noun clause.

The sentence combined on our answer is a noun clause.