Yeah, quarter note bends are common in blues guitar, and by extension blues-rock and rock. This video gives a simple introduction to what these sound like: htt

Yeah, quarter note bends are common in blues guitar, and by extension blues-rock and rock. This video gives a simple introduction to what these sound like: https://www.youtube.com/watch?v=ihZTuRmmBxA https://www.youtube.com/watch?v=ihZTuRmmBxA As another example, honky-tonk piano can be out of tune compared to standard piano tuning: https://en.wikipedia.org/wiki/Tack_piano https://en.wikipedia.org/wiki/Tack_piano https://www.youtube.com/watch?v=LUP6k5xkdBU https://www.youtube.com/watch?v=LUP6k5xkdBU There's also been some Eastern influence on the vocals of Western singers. For example, Jeff Buckley talked of being inspired by the Sufi singer Nusrat Fateh Ali Khan. Here's Jeff Buckley covering a Nusrat Fateh Ali Khan song: https://www.youtube.com/watch?v=58E-9ZEw-yQ https://www.youtube.com/watch?v=58E-9ZEw-yQ