qùnián qiūtiān kāishǐ ， měitiān bàngwǎn liùdiǎn ， lóushàng dōu huì zhǔnshí xiǎngqǐ gāngqín shēng 。

去年秋天开始，每天傍晚六点，楼上都会准时响起钢琴声。

Since last autumn, piano practice has started upstairs punctually at six every evening.