"I Want a New Drug" is a song by American rock band Huey Lewis and the News from their third album Sports. It was released as the second single from the album, following the top-ten hit "Heart and Soul" in January 1984. The single reached number six on the U.S. Billboard Hot 100 and topped the Dance Club Play chart.

According to Lewis, he wrote the song in only a few minutes. "I was on the way to my attorney's house and I thought of it in the car. I pulled up and walked in. I said, 'Bob, give me a piece of paper, I've got to write this down'."

The video echoes the song's origin, with Lewis waking up late, remembering he has a concert that night, and races across San Francisco using his yellow convertible, a public ferry, and a chartered helicopter to get to the concert on time, sighting a girl twice on his way, and finding her in the front row at the concert (the same girl is featured in the video for "Heart and Soul"). The video features Lewis' most famous outfit, a red sport jacket and pants with a plain black T-shirt and matching sunglasses (the man who takes the jacket and shades off Lewis before he goes on stage is the band's manager, Bob Brown).

When the theme song of the 1984 film Ghostbusters was released, Huey Lewis sued Ray Parker Jr. for copyright infringement, claiming that Parker had stolen the melody from "I Want a New Drug". Lewis had been approached to compose the main theme song for the film, but had to decline because of his work on the soundtrack for Back to the Future. The two parties settled out of court. Details of the settlement (specifically, that Columbia Pictures paid Lewis a settlement) were confidential until 2001, when Lewis commented on the payment in an episode of VH1's Behind the Music. Parker subsequently sued Lewis for breaching confidentiality.

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