2018 release. I Can Only Imagine arguably one of the most popular and powerful songs in Christian music history has taken on a life of it s own and is now the subject of a worldwide motion picture of the same name. In celebration of the movie release MercyMe is unveiling I Can Only Imagine The Very Best of MercyMe a collection of the band s best-loved songs spanning their illustrious career. In addition to the original of I Can Only Imagine this release includes a special version of the song made just for the movie. This 13-song anthology is the definitive collection of MercyMe with recent favorites Flawless and Greater as well as the classics Word of God Speak Bring the Rain and God with Us.