Yīnyuètīng de wǔtái shàng bǎi zhe yī jià hēisè de dàgāngqín.
A black grand piano sits on the concert hall's stage.
Tips
usage
Pairs naturally with 立式钢琴 (lìshì gāngqín, 'upright piano') and 三角钢琴 (sānjiǎo gāngqín, lit. 'triangle piano' = grand piano, more technical). 大钢琴 is the everyday term.