SampleScience releases Toy Keyboard VST & AU SampleScience releases Toy Keyboard VST & AU. This virtual instruments features the sound of the Yamaha PSR-78 home keyboard. More info at SampleScience Attachment Posted on Sun, October 9, 2016 by Nova Sound filed under VST Free Sample Yamaha No comments (Add your own) Add a New Comment Your Name: Your Email/URL (Optional): Your Comment: Enter the code you see below: Comment Guidelines: No HTML is allowed. Off-topic or inappropriate comments will be edited or deleted. Thanks.