Proficiently

The rudimentally trained drummer can apply himself to any musical unit—band, orchestra or drum corps—more proficiently than can the drummer trained only for one branch of drumming.

Those brought into use again were several forms of lutes, violins, and bagpipes, which were played upon proficiently by the "jongleurs," some of whom played also upon psalteries, organistrums, guitars, and tambours with great skill.

To operate the keyboard proficiently it is necessary to use a 'touch' system, that is, to use the fingers without looking at them or without moving them away from the keybuttons.

The elfin bodyguard stared for a moment with those cool eyes through the silver tinted razorbladed glasses before proficiently shifting his right hand toward the earphone comm.