I accidently removed a couple of songs today while on my iPhone 5s and I can't remember the names. It suddenly occurred to me that there is no option to undo an action such as removing last or last couple of songs. Decided to submit my idea to see what you think. It's probably already been thought through since it's not a big feature. Why has this not been implemented yet haha! Keep up the great work. Love your service been using it for years.