Edited sentence: A great thing about this event was that Jeffrey hired as many Monk alumni as possible, those who knew this music.Barry Harris played the rehearsal.Everyone involved on stage breathed a sight of relief.In fact, Monk was slated to play this concert.Paul Jeffrey and Wein were nervous because right up to the first down beat of the concert Monk still had not appeared.That made it especially great.Then at the last minute he came rushing in and played the intro to the first song