Aimee Mann and Ted Leo at the Pabst Theater in Milwaukee, the site of the very first show they played together. Benjamin Wick hide caption

itoggle caption Benjamin Wick

Ted Leo and Aimee Mann join forces on a new album named for their collaborative songwriting project, The Both. Christian Lantry/Courtesy of the artist hide caption

itoggle caption Christian Lantry/Courtesy of the artist

For Aimee Mann, the moment a song begins is often just before a performance. Sheryl Nields hide caption

itoggle caption Sheryl Nields

Aimee Mann's new album, Charmer, comes out Sept. 18. Sheryl Nields/Courtesy of the artist hide caption

itoggle caption Sheryl Nields/Courtesy of the artist

Left to right: Aimee Mann, Sheryl Crow, Suzanne Vega.

Frank Micelotta/ImageDirect/Getty Images/Hulton Archive hide caption

itoggle caption Frank Micelotta/ImageDirect/Getty Images/Hulton Archive