* Guitar: Jonny Greenwood's guitar work on "Bulletproof" is characterized by its use of delay and reverb, which creates a sense of space and atmosphere. He also uses a wah pedal to create a wah-wah effect on some of the notes.
* Bass: Colin Greenwood's bass playing is solid and supportive, providing a foundation for the rest of the band.
* Drums: Phil Selway's drumming is complex and intricate, with a lot of syncopated rhythms and fills.
* Keyboard: Ed O'Brien's keyboards add a layer of texture to the song, with a variety of sounds including piano, synthesizer, and organ.
* Vocals: Thom Yorke's vocals are passionate and intense, with a wide range of dynamics.