A. Poison ivy, poison oak, and poison sumac are plants that contain an irritating, oily sap called urushiol. Urushiol triggers an allergic reaction when it comes into contact with skin, resulting in an itchy rash, which can appear within hours of exposure or up to several days later.
Vienna  is a song from Billy Joel 's 1977 album The Stranger, released as the B-side to his  She's Always a Woman  single. In a July 2008 New York Times article, Joel cited this as one of his two favorite songs, along with Summer, Highland Falls.
The song is from the 1929 stage musical Die Drei Groschen Oper (thrupenny Opera, by Berthold Brecht and is called MACKIE MESSER (MACK THE KNIFE) The original words are: Un â¦ d der Haifisch, der hat Zaehne ZÃ¤hne und die traegt trÃ¤gt Er Im MacHeath, und macheath der Hat Ein messer Doch das messer sieht. man nicht