Monica Huggett, stepping in for Richard Egarr, directs works by Haydn and C.P.E. Bach, as well as Mozart’s Musical Joke. Tanya Tomkins is featured soloist in C.P.E. Bach’s Cello Concerto in A major, and horn soloist Andrew Clark performs Haydn’s Concerto No. 1 in D, employing a valveless hunting horn for which the work was originally composed. Three performances, Feb. 7-9, plus an abbreviated Young People’s Concert on February 8. PBO performers, guest artists and scholars discuss the music and topics related to concert programs one hour prior to each subscription series performance. Concert repeats February 8, 7:30 pm at First Baptist Church and February 9, 3:00 pm at Kaul Auditorium on the campus of Reed College, 3203 SE Woodstock Blvd, Portland, 97202.