Gracefully through the room, their movements a testament to the effortlessly smooth rhythm of their steps

Gracefully through the room, their movements testifying to the effortlessly smoothly rhythmic steps they were taking

Gracefully through the room, their movements testifying to the smooth rhythm of their steps, which were effortlessly performed

Graceful through the room, their movements testifying to the effortless smooth rhythm of their steps

Gracefully in the room, their movements testifying to the effortlessly smooth rhythm of their steps