Complex sentence: Fuentes called the guitar tone as "one of my favorite tones" from the album, which was made using a Stratocaster through a custom-made amplifier making the "glassy and unique sound we were looking for".
Split into simpler sentences: Fuentes called the guitar tone "one of my favorite (s)" from the album. It was produced using a Stratocaster played through a custom-made amplifier resulting in the "glassy and unique sound we were looking for".