Listen to The Longest Time (From "How I Met Your Mother") online. The Longest Time (From "How I Met Your Mother") is an Unknown language song and is sung by Tmc Movie Starz. The Longest Time (From "How I Met Your Mother"), from the album A Tribute to Billy Joel Songs from TV & the Movies, was released in the year 2014. The duration of the song is 3:29. Download Unknown songs online from JioSaavn.