51.   Some of the best numbers are performed under her watchful eye.

52.   The AL West will come down to who can handle the spotlight and perform under it the best.

53.   The avoidance maneuver that CU performs under controlled conditions is, in fact, a maneuver ad-libbed countless times on Massachusetts highways daily.

54.   The company is planning trials on children, but for them, the procedure would be performed under general anesthesia, eliminating one of the advantages.

55.   The experiments measured dissemination characteristics and how the model performed under different atmospheric conditions, intelligence officials said.

56.   The later tests reflected substantial improvement in the computers, but industry executives were anxious about how the software would perform under real conditions.

57.   The Lowensteins, who perform under the name Evan and Jaron, have been touring since they graduated from Yeshiva High School in Atlanta nine years ago.

58.   The marriage was performed under a legal loophole.

59.   The operation, which takes less than an hour, can be done under local anesthesia, whereas tonsillectomies are often performed under general anesthesia.

60.   The pansori, or song, is performed under a proscenium arch to highlight the ritual elements of folk tales.