If I were you I'de ask them what they expect from you, (whether they expect you to do some solo's or just want you do do what you can). If I were you I'de practice all I can none the less. I pull a 99 in band at my school. and I ask my teacher "why cant you give me that one extra point", and she says "there's always rom for improvement, and no matter were you are in life, there's someone who better than you at what you do". So my advice to you is "no matter what they expect from you, be the best you can.......
sorta deep but, i love the music :D
