sentence1: Between 1926 and 1927 Nikolai Malko wrote his symphony No . 9 in e - Moll op . 28 , dedicated to Nikolai Myaskovsky .
sentence2: Between 1926 and 1927 Nikolai Myaskovsky wrote his symphony No . 9 in e - Moll op . 28 , which was dedicated to Nikolai Malko .