コンサートは、6時半からです。 あと30分ほど、ロビーで、お待ちください。
The concert starts (?) at 6:30. Then there's something about please wait in the lobby, and a period of thirty minutes is somehow involved, but I'm not sure how to put the parts together in their proper relationship and proper time sequence.
The concert starts (?) at 6:30. Then there's something about please wait in the lobby, and a period of thirty minutes is somehow involved, but I'm not sure how to put the parts together in their proper relationship and proper time sequence.