Hi, I think you did a great job! Concert player list management is a good idea to organize all concert in your orchestra. I think to organize any concert is always a big and hard job. My job is to help in organization of various concerts and it always takes about a month of work. Of course, there are many companies that can help us to organize events. For example, I rent various event equipment from this company https://www.truesoundhire.co.uk/. I usually rent different speakers, some stage and lighting equipment. This company offers a professional and reliable service at a reasonable and competitive rate.