1983    David stars in Joseph And The Amazing Technicolor Dreamcoat on Broadway

1987    David starred as the Rock Star in TIME at the Dominion Theatre, London.

1995    David co-starred as Mickey Johnston in Blood Brothers in San Antonio, Texas.

1997    David starred in EFX at the MGM Grand Hotel, Las Vegas, Nevada.

1998    David starred in EFX at the MGM Grand Hotel, Las Vegas, Nevada.

1998    David was a guest on KTLA Morning News, promoting his CD “Old Trick, New Dog”.

2000    David starred as Johnny Flamingo in At The Copa, at the Rio Hotel in Las Vegas.

2007    David was a guest on –Sunrise. Australian Morning TV show. David talked about his newly released autobiography -Could It Be Forever? My Story.

2012    David was the keynote speaker at the Alzheimer’s Foundation of America, Free Educational Conference in New York, David shared ‘A Son’s Story’              

2012    David was a guest on ‘Starting Point’, morning news show on CNN. David discussed the Alzheimer’s Foundation of America’sEducatinal Conference in New York

2012    David was a guest on ‘Good Day New York’ speaking about Alzheimer’s

2012    David was a guest on Fox News Channel: Fox News Edge

2013    David auctioned personal items including some 1970s stage outfits by Nudie Cohn. All proceeds from the sale were donated to the Alzhaimer’s Association of America