Martha Reader and The Vowelles: Mud

Martha Reader and The Vowelles: Mud is an installment in Martha Reader and The Vowelles series.

Plot
Martha Reader and The Vowelles with the short "u" sound in their hit "mud".

Lyrics
Martha Reader and The Vowelles/Lyrics

Missing Letter
m_d

m u d

Adding Letters and Words
m and d + u = mud

Only Appearance

 * The Lucky Duck