 When Einstein left in the wake of a disagreement, Kraus and Josie Katz, then his wife, tried to build up a career in London, but without success.The band recorded pop music that was very light and catchy.Their songs, which went on to become Israeli classics, include "Einech Yechola" (You Can't), "Kol HaShavua Lach" (The Whole Week for You), "Ahava Rishona" (First Love), "Yehezkel" (Ezekiel), "Chayal Shel Shokolad" (Chocolate Soldier), "Kama Naim" (How Pleasant) and more.