Hey all, just last year I upgraded from a solid Yamaha upright to one of their entry level grands the GB1K. It's been a great instrument to work on, but my god in my first year with it 2 strings have broken, one in the lower register and one in the upper. My old upright I had had for years and it held up great with my heavy practice haha. I'm just curious if I may have a lemon or if y'all happen to know if the GB1 is perhaps notorious for not holding up to serious practice. For reference I'm a serious pianist practicing anywhere from about 4-7 hours a day. Thanks for any help, I appreciate it.