Temple of the Dog is the only studio album by the American rock band Temple of the Dog, released on April 16, 1991, through A&M Records. The album is a tribute to Andrew Wood, the former lead singer of Malfunkshun and Mother Love Bone, who died on March 19, 1990, of a heroin overdose. The album has been certified platinum by the RIAA in the United States. Using only the above description and what you know about the world, "It took less than 18 months from the time the album was conceived until it's release. " is definitely correct, incorrect, or inconclusive? 