SKYWALKER, STRUCTURE - UNSTABLE GROAN

This is a Skywalker Sound sound effect, created by Gary Rydstrom for Backdraft (1991).

Used In

Movies

• 2012 (2009)
• 9 (2009)
• The Angry Birds Movie (2016)
• Backdraft (1991) (debut)
• Glass Onion: A Knives Out Mystery (2022)
• The Island (2005)
• Kung Fu Panda 2 (2011)
• The Polar Express (2004) (A lower-pitched and edited variant is heard once when the locomotive slides across the ice lake as Steamer tries to get the train facing in the opposite direction.)
• Rogue One: A Star Wars Story (2016)
• Speed 2: Cruise Control (1997)
• Twisters (2024)
• War of the Worlds (2005)

Image Gallery

9 (2009) SKYWALKER, STRUCTURE - UNSTABLE GROAN

9 (2009) SKYWALKER, STRUCTURE - UNSTABLE GROAN

The Angry Birds Movie (2016) SKYWALKER, STRUCTURE - UNSTABLE GROAN

The Angry Birds Movie (2016) SKYWALKER, STRUCTURE - UNSTABLE GROAN (Right Channel Only)

Backdraft (1991) SKYWALKER, STRUCTURE - UNSTABLE GROAN (debut)

Glass Onion: A Knives Out Mystery (2022) SKYWALKER, STRUCTURE - UNSTABLE GROAN

The Island (2005) SKYWALKER, STRUCTURE - UNSTABLE GROAN

Kung Fu Panda 2 (2011) SKYWALKER, STRUCTURE - UNSTABLE GROAN

The Polar Express (2004) SKYWALKER, STRUCTURE - UNSTABLE GROAN (lower-pitched, edited)

War of the Worlds (2005) SKYWALKER, STRUCTURE - UNSTABLE GROAN

War of the Worlds (2005) SKYWALKER, STRUCTURE - UNSTABLE GROAN

Audio Samples

(The lower-pitched and edited variant as heard in The Polar Express.)