'Steven Universe' season 4 spoilers, news: Amethyst joins Greg on stage?

While the new episodes per weekday are over for fans of "Steven Universe," there are still good things to look forward to as a leaked clip for what is expected to be the next episode reveals that Greg and Amethyst may be hitting the stage for a duet.
There were two teasers released by Cartoon Network but a lot of viewers may be more ecstatic about the first one as it sees Amethyst, Steven and Pearl discussing about an upcoming rock show that Amethyst will attend.
Amethyst and Greg were once close friends, as revealed by the former in "Steven Universe" season one. Though it has yet to be disclosed what Greg's invitation for Amethyst is all about, some fans predict that episode six of "Steven Universe" season four may see the two good friends reuniting on stage for a performance.
As fans know, Amethyst was once a drummer. While she still hasn't lost the talent and skills that she once had, it seems she has not really performed in front of a crowd ever since she and Greg parted ways
Greg, Amethyst, Rose, and Garnet were once a band but things changed and they parted ways. It is unclear if the back story behind the disbandment will be depicted but it is speculated that there will be a fun get-together when the band members meet again.
Despite exciting news, other teasers for "Steven Universe" season four episode six disclose that Greg will not fulfill the agreement of bringing Amethyst to the concert. Pearl, Steven and Amethyst end up going as a trio but there may be some troubles along the way.
Pearl is behind the wheel and it appears that she's afraid of something as they drive along the deserted path going towards the concert's venue. Are the three up for a new and probably scary adventure?
"Steven Universe" season four, episode six airs Sept. 8, 7 p.m. EST on Cartoon Network.