This song is from the album Roses are Red, Violets are Blue 20th Anniversary Edition.

The theme that plays at the start of RvB episodes is the same recording Nico submitted to RvB back in '03. The RT folks (in their awesome and obstinate way) never agreed to replace it with any of the improved versions that have been submitted, so the crazy string sliding noise, and the little buzz at the end... they're features, not bugs!