How to Buy a Great Used Piano – Step 3 Inspect Underneath Bridges and Soundboard July 21, 2020July 21, 2020 by Carly Layne This content is for APTN Mentorship Special Offer, APTN One Year Mentorship - EZ Pay Plan, APTN One Year Mentorship - One Payment , APTN Online Mentorship - Original Monthly, and CPT Continuing Support members only.Login Join Now