Watch Celebrating Sondheim (2019) : Full Movie Online Free The New York Philharmonic celebrates the dazzling orchestral world of Stephen Sondheim in a program hosted by Bernadette Peters, with special guest vocalist Katrina Lenk. Conducted by Alexander Gemignani, the concert features some of Sondheim’s most beloved works, including suites from Sunday in the Park, Into the Woods, Sweeney Todd and more.