7 guys sang the song about the letter "L". (EKA: Episode 4116) L, 11.
They sing a song filled with the "Sound of the Letter L".
Coincidentally, one of the monsters bears a strong resemblance to Murray Monster, with a different color scheme. Another monster in the chorus closely resembles Merry Monster.
Performers of the monsters include Kevin Clash (green monster), David Rudman (blue monster), Leslie Carrara-Rudolph (pink monster), and Marty Robinson (orange monster).