River Cruise Crystal unveils 2019 river cruises By Michelle Baran / October 05, 2017 Share 1 -- Crystal River Cruises' 2019 sailings include several seven-day options in addition to its 10-, 11-, 14- and 16-day itineraries. The 2019 cruises will sail on a fleet of five ships: Crystal Mozart, Bach, Mahler, Debussy and Ravel. The Bach and Mahler launched this year. The Debussy and Ravel will launch in 2018. Prices begin at $2,805 per person.Itineraries focus on the Rhine and Danube rivers, with sojourns along the Moselle and Main rivers on select sailings.