Yamamoto Sayaka will release her new single (currently untitled) on September 4. 

This summer, Yamamoto is scheduled to appear in various music festivals such as 'ROCK IN JAPAN FESTIVAL 2019,' 'MONSTER baSH 2019,' and 'Munataka FES ~Fukutsu Koinoura~.' The upcoming single is described as an uptempo rock tune that will liven up the crowd at these festivals. It will be sold in three types: Limited Edition, Regular Edition, and Fan Club Edition. The Limited Edition will come with a DVD containing the PV for the title track and its making footage. In addition to the title track's PV, the Fan Club Edition DVD will include live footage from her event held for her previous single "Ichirinsou." It will also come with a 54-page photo book.

Source: natalie