Rowan & Martin's Laugh-In for "Laugh-In" was Ian Bernard. He wrote the opening theme music, "Inquisitive Tango", plus the infamous "What's the news across the nation" number. He wrote all the musical "play-ons" that introduced comedy sketches like Lily Tomlin's character, Edith Ann, the little girl who sat in a giant rocking chair, and Arte Johnson's old man character, Tyrone, who always got hit with a purse. He also appeared in many of the cocktail scenes where he directed the band as they stopped and started between jokes. Composer-lyricist Billy Barnes wrote all of the original musical production numbers in the show, and often
Laugh track at it, and then tried it adding a laugh track to it, and it's unfortunate, but it makes the show funnier." Various Muppet characters or guest stars broke the fourth wall and acknowledged the use of the laugh track. In the fourth episode of the series, Kermit the Frog was asked by guest Ruth Buzzi if he felt a gag or routine was funny enough for the show, to which he turned to the camera and replied, "That's up to the laugh track." A season two episode featuring guest Steve Martin eschewed a laugh track altogether to support the concept