Radio 1.FM Otto's Classical Music you can listen on this page of our site. Station work in genres: Classical. Presenting mostly the classical era (ca. 1750-1820) you have the pleasure to listen to some of the greatest music performed by the best conductors and orchestras. Many performances are also historically informed and we have now included the romantic era to give you even more enjoyment.. Radio 1.FM Otto's Classical Music has a rating 5.0. Broadcasting country: Switzerland. The station was rated by 17 listeners. Radio 1.FM Otto's Classical Music you can also listen in the FMCUBE app for Android.