CREATE TABLE table_20419 ("Episode Number" FLOAT, "Air Date" CLOB, "Guest Host" CLOB, "Musical Guest  ( Song performed ) " CLOB, "Who knows the most about the guest host? panelists" CLOB)

Who was the musical guest and what song was performed when Dominic Wood and Nikki Grahame were the panelists?
SELECT "Musical Guest (Song performed)" FROM table_20419 WHERE "Who knows the most about the guest host? panelists" = 'Dominic Wood and Nikki Grahame'
SELECT "Musical Guest (Song performed)" FROM "table_20419" WHERE "Who knows the most about the guest host? panelists" = 'Dominic Wood and Nikki Grahame'