Complex sentence: "Yer Blues" was written by Lennon in India, and was influenced by the British Blues Boom of 1968, which included groups such as Fleetwood Mac and Chicken Shack.
Split into simpler sentences: Yer Blues was written by Lennon in India. The style was influenced by the British Blues Boom of 1968, which included groups such as Fleetwood Mac and Chicken Shack.