Alan O’Day Alan O’Day – pop singer/songwriter – best known for the 1977 hit – Undercover Angel – (10/3/1940 – 5/17/2013)Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Tumblr (Opens in new window)Like this:Like Loading...