* Overdrive: This effect adds a crunchy, distorted sound to the guitar. It can be used to add sustain and make the guitar sound more aggressive.
* Reverb: This effect simulates the natural reverberation of a room or hall. It can be used to add depth and ambiance to the guitar sound.
* Delay: This effect creates a delayed echo of the guitar signal. It can be used to add texture and interest to the guitar sound.
* Wah-wah: This effect creates a vocal-like sound when the guitarist moves the pedal. It can be used to add expression and personality to the guitar sound.
* Flanger: This effect creates a sweeping, chorus-like sound. It can be used to add depth and movement to the guitar sound.
These are just a few of the many guitar amp effects that can be used to create the sound of "All Nightmare Long." The exact combination of effects will vary depending on the desired sound.