Slipped

He slipped the pen off the desk and into his pocket.

The music slipped in volume as she turned down the radio.

The melody slipped into a slower tempo for the final verse of the song.

The singer slipped and forgot the lyrics to the song.

The guitarist slipped the pick from his fingers and it flew into the audience.

The singer's voice slipped during the concert due to a sore throat.

The package slipped from the delivery driver's hands and tumbled down the steps.

She slipped her feet into the high-heeled shoes, feeling confident and elegant.

His physical condition slipped after he stopped exercising.