Woody Harrelson, Meryl Streep, Robert Altman and Lindsay Lohan at The 56th Berlin Film Festival 2006 (Berlinale), ' A Prairie Home Companion ' - photocall, Berlin, Germany - 12.02.06

The actors all sing in the film and now Altman has insisted they all record their vocals for the movie's soundtrack, which also features tunes by co-stars LINDSAY LOHAN and JOHN C REILLY, who previously showed off his singing skills in the film CHICAGO.

Streep will perform three tracks on the album - two are duets with 9 TO 5 star Tomlin.