What is "when pigs fly"

adv. (context idiomatic English) never

When Pigs Fly may refer to:

• When Pigs Fly (Vollmer album), 1990
• [[When Pigs Fly (Cevin Soling album)|''When Pigs Fly: Songs You Never Thought You'd Hear

'' (Cevin Soling album)]], 2002

• When Pigs Fly (The Chicharones album), 2005
• When Pigs Fly (musical)
• When Pigs Fly (film), a 1993 film produced by Jim Jarmusch
• When Pigs Fly Incorporated, a television production company owned by Gary Glasberg.

When Pigs Fly is a musical revue in two acts conceived by Howard Crabtree and Mark Waldrop. The revue has music by Dick Gallagher and lyrics by co-conceiver, sketch writer and director Mark Waldrop. The revue opened Off-Broadway in 1996 and ran for two years, and received the Outer Critics Circle Award for Best Off-Broadway Musical.

When Pigs Fly is a solo album by Brian Vollmer, lead vocalist of the Canadian heavy metal band Helix. It was released in 1999 and features ex-Helix and current Saga/ My Wicked Twin drummer Brian Doerner. It was released under the band name Vollmer and is Brian Vollmer's only solo release to date. It was Vollmer's first studio album since Helix's 1993 release It's a Business Doing Pleasure. There would be a five-year gap between When Pigs Fly and Vollmer's next studio release, Helix's Rockin' in My Outer Space from 2004.

When Pigs Fly: Songs You Never Thought You'd Hear is a compilation album thought of and produced by musician Cevin Soling in 2002.

When Pigs Fly is the first studio album by an alternative hip hop duo The Chicharones, consisting of Canadian rapper Josh Martinez and American rapper Sleep. It was released on Camobear Records in 2005.