The tower contains the Yale Memorial Carillon, a 54-bell carillon. The two west towers of the minster hold bells, clock chimes and a concert carillon. The belfry that surmounts the hall houses a 49-bell carillon. The campanile houses the loudspeakers for an electro-acoustic carillon. Each of the bell towers houses a grand carillon. The basilica also features a bell tower with a carillon. The tower holds a 25-bell carillon which includes a replica of the Liberty Bell. Out of all the bells in the carillon, only 7 of them can ring. In its top section it contains a 49 bell carillon. The obelisk also houses a carillon. The complete carillon and its supporting tower structure weighs 2.5 million pounds. The new carillon is a gift to the minster. The open-air concerts of the historical 49-bell Carillon of Kaunas are held on weekends. It was reinforced in 1964 to allow the installation of the Yale Memorial Carillon. Brass music is often heard together with a (traveling) carillon.