I keep confusing Lily Tomlin and Mindy Sterling I keep confusing Lily Tomlin and Mindy Sterling I keep confusing Lily Tomlin and Mindy Sterling I keep confusing Lily Tomlin and Mindy Sterling One was in Nashville The other was in Austin Powers One was in Nashville The other was in Austin Powers I keep confusing Lily Tomlin and Mindy Sterling I keep confusing Lily Tomlin and Mindy Sterling I keep confusing Lily Tomlin and Mindy Sterling I keep confusing Lily Tomlin and Mindy Sterling One was on Rowan and Martin's Laugh-In The Other was on iCarly One was on Rowan and Martin's Laugh-In The Other was on iCarly I keep confusing Lily Tomlin and Mindy Sterling I keep confusing Lily Tomlin and Mindy Sterling I keep confusing Lily Tomlin and Mindy Sterling I keep confusing Lily Tomlin and Mindy Sterling One was the voice of Ms. Frizzle The other was the voice of Lin Beifong One was the voice of Ms. Frizzle The other was the voice of Lin Beifong I keep confusing Lily Tomlin and Mindy Sterling I keep confusing Lily Tomlin and Mindy Sterling I keep confusing Lily Tomlin and Mindy Sterling I keep confusing Lily Tomlin and Mindy Sterling [outro]