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Conversations on muted strings with a rockabilly bassist

Down a narrow laneway off Gertrude Street in Fitzroy, tucked behind a vintage amp repair shop, bassist Jamie "Juke" Marlowe is nursing a flat white and tapping a muted rhythm on the tabletop. For nearly two decades, Marlowe has anchored the low end for Australian rockabilly outfits ranging from the Melbourne-based Hi-Tone Hurricanes to the occasional festival slot with visiting American headliners. Today the conversation turns to a piece of gear that rarely gets the spotlight but defines the sound: the string mute.

A rockabilly bassist playing with a string mute is working against the grain of contemporary bass tone. While modern players chase clarity and sustain, the rockabilly tradition leans into the opposite — a tight, percussive thump that sits behind the slapback echo and the twang of a hollow-body guitar. To understand how that thump is built, we sat down with Marlowe to talk technique, tone shaping, and the small piece of foam or rubber that changes everything.

From Sydney sideman to Melbourne scene regular

Marlowe grew up in the Inner West of Sydney, cutting his teeth on upright bass in high school jazz bands before discovering the records of Willie Dixon and early rock and roll. "I was the odd one out carrying a double bass on the train to Penrith," he laughs. "Everyone else had a guitar. I just liked the rumble."

His pivot to rockabilly came through the late-1990s revival scene in Sydney, where bands like the Palominos were packing out pubs in Newtown and Surry Hills. After a stretch touring the East Coast and a few stints backing American acts at events like the Rockabilly Weekender on the Gold Coast, he settled in Melbourne, where the rockabilly community has long centred on the Caravan Music Club and the regular Thursday gatherings at the Barwon Club Hotel. Melbourne's scene, he says, rewards players who can hold a groove without crowding the rest of the band.

The job of the mute

In a trio setting — guitar, bass, drums — the bassist is the engine. A string mute can crackle and pop, but a muted bass can drive a tune. Marlowe explains that the mute isn't about volume reduction; it's about note length. "You're shortening the sustain so every note has a beginning and an end, almost like a kick drum hit," he says. "Without it, the bass blooms under the slapback and turns to mud."

This is especially critical when the guitarist is using a hollow-body Gretsch or a similar instrument, both of which already produce a generous low end. The mute prevents the bass from competing with the low strings of the guitar and keeps the snare on top. In recordings from the 1950s, engineers often reached for a similar effect by stuffing a towel in the bass amp, but the physical mute gives the player a consistent result regardless of the room.

Technique in practice

Physically, a string mute can be a foam block slipped under the strings near the bridge, a piece of chamois leather laid across the strings, or a commercial product like the well-known Foam Mute. Marlowe favours a small wedge of closed-cell foam that he slides between the strings and the body of his Precision Bass or his Czech-Electro upright, depending on the gig.

The hand position changes as well. With the mute engaged, Marlowe plays closer to the bridge, using the side of his thumb more than the fingertip. "You want a short, woody note," he says. "If you dig in with the pad of your finger, you'll get a round tone that fights the slapback. The thumb gives you that thwack." He also stresses that the mute should be adjusted song by song. A ballad like "Singing the Blues" wants a slightly looser mute, while a fast number like "Race with the Devil" needs the strings choked almost flat against the foam.

Players new to the technique often make the mistake of cranking the volume to compensate for the perceived loss of sustain. Marlowe advises the opposite: trust the mute, and let the amp and the reverb do the work. "The mute makes you louder in the mix because every note has a clear attack. You don't need to push."

Studio tricks and live adjustments

In the studio, Marlowe records his rockabilly bass parts with the foam wedge taped down, but he also keeps a second bass running dry for moments when a fill needs to ring out. "I'll mute and unmute between sections to give the arrangement some shape," he says. "It's a subtle thing, but it helps the song breathe."

Live, the challenges are different. A room with a lot of ambient noise, like a beer-soaked pub gig in Brunswick on a Saturday night, can swallow the high-end click of a muted note. Marlowe solves this with a slight treble boost on his amp and by standing closer to the drummer so the snare can cut through the haze. He also warns that outdoor festivals — common across the Australian summer circuit from Adelaide to Brisbane — require a different approach, as the dry air can cause a bass string to swell and change the mute's tension.

For players looking to hear the technique in context, he recommends tracking down records by Australian revivalists and international players. Sir FJ Att's catalogue is a good place to start for those interested in hearing how a muted bass can anchor a modern rockabilly arrangement.

Listening list for muted-bass curious players

For readers wanting to dig deeper into the history and the players, the magazines section at On the Hill Records offers a steady archive of roots-era interviews and reviews that put the music in context. The following records and artists are a good starting point for anyone wanting to train their ear.