Michael Wint London Diary Salsa Parties London Diary discount vouchers. why pay more, £8 cash on the door for a event or salsa class when you can pay as little as £4.50 per event. Vouchers have no expiry date and can be used anytime at nominated locations. Class discount vouchers accepted this image means vouchers accepted. Send the vouchers as a gift, share vouchers with family, friends and work colleagues. Buy online by pressing card images below.