On Friday, April 8, Evanston Symphony Orchestra Maestro Lawrence Eckerling, ESO GM David Ellis, and soloist Ola Rafalo will preview its upcoming concert during “Musical Insights,” sponsored by The Merion, Evanston’s signature senior living experience. The three will provide an insider’s tour of the history and highlights behind the music. “Musical Insights” begins at 1:30 p.m. in the Crystal Ballroom at the Merion, 1611 Chicago Ave., Evanston. The program is free and open to the public, but please RSVP at 847-570-7815.