1. Use a high-quality guitar and amplifier. A good guitar and amp will make a big difference in the sound you get. Gilmour uses a Fender Stratocaster with a variety of effects pedals, including a wah-wah pedal, a fuzz pedal, and a reverb pedal. He also uses a Marshall Bluesbreaker amplifier.
2. Use the right strings. Gilmour uses Ernie Ball Regular Slinky strings (.010-.046). These strings are relatively light, which helps to create a more mellow sound.
3. Play with a light touch. Gilmour is known for his light touch on the guitar. This helps to create a more fluid and sustained sound.
4. Use a combination of distortion and reverb. Gilmour uses a variety of distortion pedals to create his signature sound. He also uses a lot of reverb, which helps to create a more spacious sound.
5. Experiment with different techniques. Gilmour is always experimenting with different techniques to create new and interesting sounds. He is not afraid to use unorthodox techniques, such as playing the guitar with a slide or using a bottleneck.
By following these tips, you can get closer to David Gilmour's signature fat, thick sound.