Complex sentence: However, he went on tour again in 1951, travelling to Montreal and Las Vegas, followed by a number of other tours, including Japan in 1962,1969 and 1972, where he performed for emperor Hirohito.
Split into simpler sentences: However, he went on tour again in 1951, going Montreal and Las Vegas. And quite some tours would follow, for instance to Japan in 1962,1969 and 1972, where he performed for emperor Hirohito.