This document provides information about three famous Czech composers: Bedřich Smetana, Leoš Janáček, and Antonín Dvořák. It lists their birth and death dates and locations, and highlights some of their most notable works, including Smetana's opera The Bartered Bride, Janáček's operas Šárka and Její Pastorkyňa, and Dvořák's famous Ninth Symphony From the New World. Videos are provided as examples of their music.