Spencer has performed lead roles in productions across North America, including Il Barbiere di Siviglia, Orphée aux Enfers, A Midsummer Night's Dream, The Mikado, The Little Shop of Horrors, Willy Wonka, The Wizard of Oz, Tuck Everlasting, and Monteverdi's The Coronation of Poppea as the emperor Nerone. Spencer also performs concert and oratorio repertoire regularly, and has performed as the tenor soloist in works such as Handel's Messiah, Bach's Magnificat, and Beethoven's 9th Symphony. Spencer enjoys performing a number of different genres, and is involved with choirs and vocal groups that perform often.