And then a better way to write the same information, in 3 short sentences. The musicians, who came onto the stage first, began tuning up their instruments until the conductor arrived, which meant it was time for the concert to begin. First the musicians came onto the stage. They tuned up their instruments until the conductor arrived. That meant it was time for the concert to begin.
People use contractions when they talk.
Remember, radio writing should sound like people talking. So don't be afraid to use contractions when you write your concert review. Because that's the only way to hear how your words sound. Remember, what you LOOK LIKE on the radio is not important. If you have a tape recorder, record yourself reading to hear how you sound.