In “The Soloist,” an emotionally soaring drama about the redemptive power of music, journalist Steve Lopez (Oscar nominee Robert Downey Jr.) discovers Nathaniel Anthony Ayers (Oscar winner Jamie Foxx), a former classical music prodigy, playing his violin on the streets of L.A. As Lopez endeavors to help the homeless man find his way back, a unique friendship is formed, one that transforms both their lives. “The Soloist” is directed by Joe Wright (Golden Globe winner for Best Drama and Oscar nominee for Best Picture “Atonement”).