Porter's Open Mic — Quick Facts
City Centre's tuesday-night free open mic at **Porter's** — full backline, in-house sound engineer, walk-in sign-up from 7pm, 10-minute slots, all ages.
Everything you need before you turn up
Where
Porter's
City Centre
Cardiff
Contact
Walk-in sign-up only
No advance booking
Host: in-house team
Highlights
What's on Stage
Porter's runs an open mic every Tuesday in City Centre, Cardiff, starting at 8pm with free entry for performers and audience. Known for hosted by genevieve. It's one of Cardiff's regular weekly open-mic slots — listed across [public open-mic guides](https://www.porterscardiff.org/events-1).
Sign-up opens at 7pm on a walk-in basis (no advance booking). Slots run 10-15 minutes per act — typically 3 songs solo or 4 for a band. Full backline is set up: drum kit, guitar amp, bass amp, vocal mics, and an in-house sound engineer at the desk. Bring your own instrument and pedals. music, poetry, comedy performers all welcome.
Sign-up process
The sign-up sheet goes out at 7pm at the venue. Popular tuesdays fill within 30-60 minutes — arrive early if you want a guaranteed slot. There is no advance booking, no online sign-up, no email list — strictly walk-in.
What to expect
Cardiff open-mic crowds are bilingual-friendly and welcome Welsh-language sets alongside English. Full bands are welcome and the backline is set up for it — most weeks see a mix of solo songwriters, duos and 4-piece bands. The "Hosted by Genevieve" tag captures what regulars come back for week after week.
Find Porter's
City Centre, Cardiff