"Hey Mambo" Hey Mambo (2002) is a full brother to Merinka Finalist at the National Dressage Championships 2006 in the Pavo International Young Dressage Horse Class. Invited to join an Elite Potential Dressage training day. Finalist at National Dressage Championships 2008 Currently being ridden by successful rider Lisa Marriott and winning Novice classes with scores of over 72%