Lots of great appearances this week both young and old. What will you be watching?

• GAC presents Backstory: LeAnn Rimes on Sunday, 4/24.
• Biography spotlights Brooks & Dunn and Willie Nelson on Monday, 4/25.
• Darius Rucker performs on Late Night with Jimmy Fallon on Monday, 4/25.
• The View has a performance by Tim McGraw on Wednesday, 4/27.
• Allison Kraus performs on The Ellen DeGeneres Show on Wednesday, 4/27.
• The Late Show with David Letterman has a performance by Emmylou Harris on Wednesday, 4/27.
• Tim McGraw performs on Late Night with Jimmy Fallon on Thursday, 4/28.
• The Late Show with David Letterman has a performance by Steve Earle on Friday, 4/29.