The audience muttered happily in anticipation as the lights were quickly lowered, replaced by the crimson glare of a holographic sun.

He was muttering happily to himself, asking himself questions and answering them almost immediately.

He had a fierce look in his eyes, and was muttering grumpily and happily to himself.

"Painkiller," I muttered happily, recollecting Mr. Crook explaining the uses of the barks and herbs we found.

These days he spends his evenings cigarette in one hand, glass of wine in the other, happily muttering to himself.

"All right;" Will muttered happily.

The old derelict filled his sack to the top and shuffled off into the darkness, muttering happily to himself.

Murph went off, muttering happily to himself.

He muttered happily under his breath, casting brief grins in Edwyr's direction from time to time.

Muttering happily to himself, Gnimsh was occupied with twisting and turning little something's on the device.