sentences:  Since then, other rock/pop stars have occasionally found success recording traditional pop music.Notable albums include Rod Stewart's "", Willie Nelson's "Stardust", Chaka Kahn's "Echoes of an Era" and Carly Simon's "Torch".In recent times, there appears to have been a union of rock n roll with traditional pop, as many current pop stars and musicians use rock and roll instrumentation but with arrangements and compositions in the spirit of predecessors from the earlier era.