In early December 2021, Dennis had an RSC with iconic Hollywood singer/songwriter/actor/music historian Billy Vera  

Billy has been a singer and songwriter since the 1960s, his most successful record being "At This Moment", a US # 1 hit in 1987.  He continues to perform with his group Billy Vera & The Beaters, and won a Grammy Award in 2013.  Here is Billy's website:  www.billyvera.com