If you need a last-minute Mother's Day gift, all Masterclass plans (including gift subscriptions) are 50% off for a limited time. MasterClass All products and services featured are independently chosen by editors. However, Billboard may receive a commission on orders placed through its retail links, and the retailer may receive certain auditable data for accounting purposes. Trending on Billboard Passionate about music? Here’s your chance to learn from some of the best in the business with MasterClass , the online learning site that features on-demand video classes from some of the biggest celebrities and thought leaders in the world. Explore See latest videos, charts and news Even better: MasterClass is offering a 50% off deal for Mother’s Day when you sign up for any of its plans. That means users can get the Premium Plan , which lets six users share a subscription for just $10 per month (normally $20 per month).…