It is sung by local Pittsburgh band Mr. Devious. It's a take on the classic Muppets' skit "Mahna Mahna" The group that did this is very talented. The Muppets shown are Bip Bippadotta and the two Snowths.Pa-Lah-Ma-Lu.
do doo do doo doo
It's POH-Lah-MAH-Luu, do doo do, do doo do, do doo doo doo do do do do do.