eBGDAE1=120442345678Couplet 1000009410000000110120000132140001501600001722180222020190200552152272300242526Couplet 200027428000002903030333331032333033333434333335353600002037243855539540741004243044440004511111346020047333333480200004911111350020051000523153205455304242564570000005805900006026100062063000064226502220206606705568569770007172044730000740447500000767778Change tuning (R)