Thunder Strings. Posted on January 3, 2017 by geo My grandson Nathaniel playing with the Pasadena Youth Symphony at a recent concert. To hear, Click link below. 11_Symphony9_Finale.mp3 Rehearsing for the concert. Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.