Liam and Noel Gallagher are back on tour, and as a diehard Oasis fan I'm extremely excited to hear songs like "Supersonic" and "Morning Glory" live.

Brothers Liam and Noel Gallagher are set to take the stage together for the first time in over a decade and a half.

The pioneering Britpop band’s world tour — marking the first time famously feuding brothers Liam and Noel Gallagher have played together since 2009 — kicked off on Friday night in Cardiff, Wales, at Principality Stadium. Richard Ashcroft from the Verve was the opening act, alongside Liverpool-based band Cast.

Here’s everything to know about Oasis reuniting, including the drama that caused the band’s breakup, and the details of Liam and Noel Gallagher’s reconciliation.

Initially, ticket prices sparked controversy, with some being sold by Ticketmaster for over £300 (€346), but now, fans are expected to splash out on beer, flights, hotels, and merch to the tune of nearly £1 billion (€1.15 billion).

Following their momentous reunion tour kick-off, Oasis has stormed back to No. 1 on the U.K.'s Official Albums Chart with compilation Time Flies… 1994-2009 . The album, first released in 2010, hit the No.

With the first of Oasis ' five homecoming shows in Manchester getting underway this weekend, the group are set to make a fair bit of money from the highly-anticipated reunion tour. Speculation and estimates of how much Liam and Noel Gallagher themselves will earn from the comeback run has ranged from £40m to £400m.

Oasis returned with a wallop for their opening shows in Wales July 4-5. Liam and Noel Gallagher will keep their reunion tour rolling until November.

The Wonderwall rockers reunited for the first time in 16 years when their Oasis comeback tour kicked off last week after years of feuding

EXCLUSIVE: Oasis is touring again and selling out stadiums worldwide - now AI images imagine what Liam and Noel Gallagher could look like if fans had to wait until 2041 for their nextreunion