"Upside Down" is a song written, co-produced, and performed by Jack Johnson for the film "Curious George". It is the first track and first single from the album "Sing-A-Longs and Lullabies for the Film Curious George", which was released in February 2006. Using only the above description and what you know about the world, "Jack Johnson wrote, co-produced and performed a song on "Sing-A-Longs and Lullabies for the Film Curious George"" is definitely correct, incorrect, or inconclusive? 