Opening Night from The Producers mentions that Springtime For Hitler is the worst show on Broadway. Tribute by Tenacious D reckons that it is not the greatest song in the world but is just a tribute. The Kikkoman song on the other hand does directly say that Kikkoman Soy Sauce is the best condiment in the world.
... I wonder if they've heard of honey, the biblical condiment.
1. Opening Night - The Producers
2. Kikkoman Kikkoman - Kikkoman
3. Intergalatic - The Beastie Boys
4. Maybe I'm Right - Atomic Kitten
5. Tribute - Tenacious D