Richard Noel Marx (born September 16, 1963) is an American adult contemporary and pop rock singer-songwriter. He has sold over 30 million albums worldwide. Marx's first number one success as a songwriter came in 1984 with "What About Me?", which was recorded by Kenny Rogers, Kim Carnes, and James Ingram, and topped the US and Canadian Adult Contemporary charts. His second chart-topper was 1985's "Crazy", a song he co-wrote with Rogers which reached number one in the Hot Country Songs chart.
https://en.wikipedia.org/wiki/Richard_Marx