Einsingübungen Für Kinder-Every choir director probably has looked for new ideas for warm-ups which are delightful for children. In 'Dabada & Dubidu' the successful author Klaus Heizmann presents numerous exercises and warm-up stories as well as new children's songs which you just have to love.These creative stimuli are more than just mere 'warm-ups'. They help to relax the body discover the joy of singing train the ear and help to build a beautiful powerful child's voice.