Loosen the Key: The Hawaiian Slack Key Guitar Festival and Kona's Living Root
If you want to understand why the Big Island guards its slack-key tradition so fiercely, remember this: the style was born here. Not on Oʻahu, not in a studio — here, on the paniolo ranches of Hawaiʻi Island in the 1830s, when Mexican and Spanish cowboys hired to wrangle cattle left guitars behind and Hawaiians loosened the strings into open tunings. Kī hōʻalu means "loosen the key." Everything the music became started on this rock. So there's a rightness to the fact that Kona hosts one of the tradition's flagship gatherings, the Hawaiian Slack Key Guitar Festival – Kona Style, now in its 28th year at the Outrigger Kona Resort & Spa.
The format is generous and unfussy: doors at noon, music from 1 to 5 p.m., family-friendly, with a rotating cast of masters trading sets. Past Kona-Style lineups have gathered the deepest names in the genre — Ledward Kaʻapana, Waimea's own Sonny Lim, Stephen Inglis, Bobby Moderow — the kind of bill where the "supporting" players are themselves Hōkū and Grammy names. Sonny Lim's presence closes a circle: a Waimea cowboy's son who learned from Kalapana master Fred Punahoa, carrying the island's paniolo school back onto a Kona stage.
Now the necessary flag, because accuracy beats hype. The 2026 date is genuinely unsettled in the sources. The Outrigger's own event page currently lists the 28th Annual festival on November 16, 2025, while at least one visitor-events listing places a 2026 edition in August. Treat this piece as an appreciation of the festival and the tradition, not a dated event preview, until the resort confirms.
What's not in doubt is the music's health. Slack key spent the 2000s enjoying a Grammy category of its own, lost it in a Recording Academy reshuffle, and kept right on going without the trophy — because the tradition never depended on the mainland noticing. Festivals like Kona Style are how it self-perpetuates: young players watch Kaʻapana's right hand from ten feet away, ask about a tuning between sets, and go home changed.
Why this matters: a music born on this island could easily have drifted off to Waikīkī stages and mainland folk festivals and left home behind. It hasn't. The Kona-Style festival is the tradition paying rent on its birthplace — a free-ish afternoon where the island's own masters remind everyone, gently, whose music this is and where it started.
Confirm the date, then go. Sit close. Watch the hands. And when a player names a tuning nobody's written down, understand you're hearing an oral tradition keep itself alive in real time.
Sources: 28th Annual Hawaiian Slack Key Guitar Festival – Kona Style — Outrigger; Legendary slack key guitarists at the 26th Annual Festival — Big Island Now; Hawaiian Slack Key Guitar Festival – Kona Style — Aloha Visitor Guides listing; Sonny Lim — Wikipedia