In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.
One example: a georgian inscription around the drum attests his name.
Solution is here: there is a georgian inscription around the drum to confirm his name.
Explanation: The sentences clearly paraphrased correctly and simplified the original sentence which described the Georgian inscription get his name attests which was around the drum.

Now, solve this: his collaborators have spanned a wide range of musical styles and talents ; among them are joshua bell , yo-yo ma , bela fleck , sam bush , james taylor , chris thile , mike marshall , mark o ' connor , alison krauss , mary chapin carpenter , and the trio nickel creek.
Solution:
his contributors have spanned a wide range of musical styles and talents ; among them are joshua bell , yo-yo ma , bela fleck , sam bush , james taylor , chris thile , mike marshall , mark o ' connor , alison krauss , mary chapin carpenter , and the trio nickel creek.