If you can't sight-read that lot, you'd be out of it. If you only have 30 minutes a day to practice, you need to be dedicating that to improving your technical skill to a higher level before venturing into group scenarios. To this is added a few female choristers for the most part unknown to the public. Read music as well as follow music you are listening to as the orchestra plays. An inspiration that does not weaken an Iota despite the weight of years
nest...