Use delay to add depth: Delay can give a sense of depth to a mix by creating an echo that brings out instruments.

Use delay in combination with reverb: By using delay in combination with reverb, you can create a more spacious and immersive sound.

Use different delay times for different instruments: Instruments have different sustain times, so using different delay times for each instrument can give a more natural effect.

Use feedback sparingly: Feedback can add complexity and texture, but be careful not to overdo it as it can become messy.

Use filters to shape the sound of the delay: By using a filter on the delay, you can shape its tone and eliminate unwanted frequencies.

Experiment with different types of delay: There are different types of delay, such as analog delay, digital delay, and tape delay, each with its own unique sound.

Use delay to create sound effects: Delay can be used to create sound effects such as bounces, echoes, and repetitions.

Adjust the timing synchronization: Make sure the delay is synchronized with the tempo of the song so it sounds consistent with the rest of the mix.

Experiment with the position in the stereo image: By placing the delay to the left or right in the stereo image, you can create a sense of movement and space.

Listen carefully: Listen carefully to the changes you make to the delay and how they affect the overall mix. By keeping a careful ear, you can avoid mistakes and achieve optimal sound.