Is it acceptable to wear headphones while working in the office?

Everyone needs a bit of uninterrupted time in the office to reach a deadline. For many, that means plugging in to Adele, Michael Ball or the Ministry of Sound to tune out the noise around them. To others, this can look like an antisocial colleague shutting himself or herself away. Lisa Riemers and Lucy Eckley consider whether wearing headphones in the office is an essential of modern working life or poor workplace etiquette.