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What Is a Radius Clause? The Festival Contract Line That Can Black Out Houston for Months.

M3 StudiosSpring, TX5 min readSeptember 7, 2026

What is a radius clause? It is the line in a festival or concert contract that bars the artist from playing within a set distance of the show for a set number of months before and after it, so a cheaper ticket down the road cannot undercut the promoter. The widest one on record, attached to Lollapalooza by the same Austin company that produces Austin City Limits Music Festival, reaches 300 miles for six months before and three months after, and it drew an Illinois antitrust investigation in 2010. Austin sits about 160 road miles from Houston, and ACL runs October 2 through 11 this year, so a Houston act on that bill is signing away part of the fall.

What the clause protects, and how far it can reach

A promoter who books a stage is buying scarcity. If the same act plays a $15 club show across town two weeks later, the festival ticket loses part of its reason to exist, so the contract fences the act off from the market for a window on either side of the date. The clause is standard in festival offers and common on hard-ticket shows. The version that made the practice famous belongs to Lollapalooza in Chicago, produced by C3 Presents, the Austin company in which Live Nation bought a majority stake in 2014: a fence of up to 300 miles, six months before the festival and three months after, applied to the smallest act on the poster as well as the headliner. In 2010 the Illinois Attorney General opened an antitrust inquiry into that clause after Chicago clubs and promoters complained it drained the city of bookable talent every summer. The inquiry went nowhere, and the clause stayed. C3 also produces ACL, whose 25th edition fills Zilker Park on October 2 through 4 and 9 through 11, which the festival's own 2025 report says put $557.8 million into Austin's economy last year, under a city agreement that keeps it in the park through 2040. A 300-mile circle drawn around Austin covers Houston, Dallas and San Antonio.

The three things the undercard is never told

First, the clause scales. Agents and talent buyers who spoke on the record about radius clauses in 2016 described a term that gets drawn wide for a headliner with millions in production riding on the date and narrow for a developing act nobody is worried about, and one Illinois festival founder said he writes the word negotiable, in capitals, onto every offer he sends. Second, it is only a wall if you hide from it. Booking agents treat every radius as the opening of a conversation, and shows that appear to break one were usually cleared in advance, sometimes with conditions such as announcing the date only after the festival set. The act that plays inside the circle without telling the promoter is the one that gets pulled from the bill or has its fee withheld, and a touring agent said exactly that. Third, the cost lands on the calendar, not the contract. A Louisville promoter described the pattern plainly: the months inside a festival's radius go quiet, and the months outside it get hammered with shows competing for the same rooms and the same fans. For a Houston act, a fall festival window can sit on top of the densest paid weeks in the city, the Fiestas Patrias season that opens September 15 and the October and November club calendar that follows it.

Price the blackout before you sign

Treat the festival fee as the fee minus the shows the radius erases. Count the Houston dates that fall inside the window, put a number on each one with the deal structures the venues actually use, and set that against the offer. Then ask, in writing, for what the clause almost always allows: a hometown carve-out, a shorter window on the back end, or a smaller circle. If the answer is no and the math still works, sign it. If the number breaks, say so before the announcement goes out, because a radius clause is enforced through the fee, and the fee is the only bargaining power a small act has. The weeks a festival takes off the calendar are the weeks the record gets made.

The take

A quiet October in Houston is a paid problem, and it is also the first open block on the calendar all fall. Houston acts that come out of a festival window with a finished record turn the blackout into the thing that makes the next offer bigger. M3 Studios in Spring, TX tracks and mixes inside the booked session, so the record is done before the radius lifts. Read how Houston rooms pay at how to get booked at Houston music venues, see the current room list at Houston music venues 2026, and book the session at metamusicmedia.com/pages/recording-studio-houston.

Quick answers

What is a radius clause in a music contract? A term that bars the artist from performing within a stated distance of a show for a stated period before and after it. Festival versions can run to 300 miles and nine months; club versions are usually a single market and a few weeks.

Are radius clauses negotiable? Yes. Agents and talent buyers describe them as an opening position that scales with the act, and carve-outs for a hometown market, a shorter window or a smaller circle are common when asked for in writing before signing.

What happens if an artist breaks a radius clause? A show cleared with the promoter in advance is a negotiation, not a breach. A show played inside the circle without telling the promoter can get the act removed from the bill or its fee withheld.

M3 Studios, a recording studio in Spring, TX serving Houston. Book a recording studio in Houston online at metamusicmedia.com/pages/book-your-session. Mixing engineer Houston and mix and master online: metamusicmedia.com/pages/audio-services. Follow Instagram, TikTok, YouTube, LinkedIn. Business and licensing: info@metamusicmedia.com.

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