Watch all of Richard Goodall's stunning 'America's Got Talent' performances

In the course of just a few months, Richard Goodall went from Terre Haute school janitor to a favorite to win Season 19 of "America's Got Talent."

Wednesday night, Goodall was among 12 acts vying for a spot in the show's final round and a chance to win $1 million.

Results from Wednesday's semifinals will be announced during a live show starting Thursday starting at 8 p.m. ET. Take a look back at all of Goodall's performances (so far) this season.

The TikTok video that caught AGT producers' attention: Richard Goodall sings Journey hit

Before he made it to the AGT stage, Goodall went viral on TikTok. A clip of him performing Journey's "Don't Stop Believin'" at a school talent show was posted to the social media site in 2022 and has since amassed more than three million views.

Journey shared the clip on their official TikTok account and the video Goodall posted to his personal account received a supportive comment from former frontman Steve Perry himself. It was this performance that caught the eyes of the NBC reality competition show's producers and eventually landed Goodall on Season 19 of America's Got Talent.

Richard Goodall's America's Got Talent audition ends with Golden Buzzer from Heidi Klum

The performance that captured fans' hearts across the country and earned him a Golden Buzzer from judge Heidi Klum was a reprise of his viral TikTok performance.

Richard Goodall's AGT quarterfinals performance: A Michael Bolton classic

After this performance, judge Simon Cowell called Goodall "one of the most memorable contestants we've had for a long, long time." He continued: "If you make it through, you really do have a shot at winning this whole competition."

Richard Goodall's America's Got Talent semifinals performance: He's fighting to get to the finals

Goodall picked the iconic theme to the 1982 film "Rocky III."

How do I vote on America's Got Talent?

Viewers will be able to cast their votes from showtime until 7 a.m. the following day at nbc.com/agtvote or via the AGT app, available through Google Play and the App Store .

How many times can I vote on America's Got Talent?

Viewers can vote up to 10 times per method, per voting period.

America's Got Talent voting results

The winners of the fan vote will be announced Wednesdays at 8 p.m. ET.

When is the AGT finale?

The two-night Season 19 finale will take place Sept. 17 and 24.

Contact IndyStar pop culture reporter Holly Hays at holly.hays@indystar.com. Follow her on X/Twitter: @hollyvhays.

This article originally appeared on Indianapolis Star: Watch all of Richard Goodall's stunning 'America's Got Talent' performances