Complex sentence: Russell scored a big hit on Broadway with her Tony Award-winning performance in "Wonderful Town" (1953), a musical version of her successful film of a decade earlier, "My Sister Eileen".
Split into simpler sentences: Russell scored a big hit on Broadway with her Tony Award-winning performance in "Wonderful Town" in 1953. The play was a musical version of her successful film of a decade earlier, "My Sister Eileen".