Listen to Dr. Goodsound's Mad Castle Laboratory online. Dr. Goodsound's Mad Castle Laboratory is an English language song and is sung by Dr. Goodsound. Dr. Goodsound's Mad Castle Laboratory, from the album Spooky Sounds and Halloween Songs for Kids Featuring Spooky Organ, Sound Effects, And Halloween Hits Like Monster Mash, Witch Doctor, Jeepers Creepers & More!, was released in the year 2014. The duration of the song is 10:08. Download English songs online from JioSaavn.