MThd ÀMTrk = ÿX ÿYÿ ÿQ óŽ› ÿX‰ ÿXž ÿX‰ ÿXÿ/ MTrk [ ÿ Guitarra 1 ÿ Guitarra 1 À ÿ+PreS{8F708C05-B4AC-4D33-AC95-5B9F540FFC58}@0P`0 0P`0 5P5 0P00 5P`5 7P`7 9P9 5P05 9P`9 :P_: 7P7 5P05 7P`7 9P`9 5P`5 @0P00 0P00 5P5 0P00 5P`5 7P`7 9P9 5P05 9P`9 :P_: 7P7 5P05 7P`7 9P`9 5P@5 ?