KERRY Parker is ready to chase an overdue city breakthrough with a “confident” Let’s Go Again. The multiple Group 1 winning Kembla Grange trainer says the mare’s successful resumption at home yesterday was an important start to her campaign in search of finally making her mark in town. Ridden by apprentice Olivia Chambers, Let’s Go Again ($3.40 favorite) led her rivals a merry dance in the Provincial Benchmark 68 Handicap (1200m) to post the fourth win of her 22nd start caree