The posthumous releases are Never Give Up, a song written by Jermaine Dupri, Bryan-Michael Cox and Johnta Austin; and an updated version of I Look To You as a duet with R. Kelly.
Lyrics in the inspirational Never Give Up, include: "Never, never give up/ Never, never give up/ No matter how many times somebody tells you it ain't working/ Never, never give up/ Never, never give up/ Hold your head to the sky, look them right in the eyes/ Tell them you will never quit until the day you get it right."
The singer was found dead at 48 February 11 at the Beverly Hills Hilton, after officials said she accidentally drowned in a bathtub with cocaine in her system.
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I Will Always Love You – The Best of Whitney Houston hits stores on Tuesday, November 13.