"You have to relax and breathe carefully, so it doesn't affect your voice," he added.

Years of heavy smoking had now greatly affected his voice, and he began to put on considerable weight.

He continued singing until 1970 when diabetes began to affect his voice, then concentrated on teaching.

It has even affected his voice, making it much harsher.

Prior to surgery, he asked the German doctor if the surgery would affect his voice.

In 2013, York announced he is suffering from amyloidosis and this has affected his voice and face.

The drag in his speech was back, as though the very subject affected his voice.

It can affect your voice, arms, legs, head, individually or collectively.

He was chilled and shaking deep inside, but none of the tremors reached the surface or affected his voice.

Asked if the weight loss had affected his voice in any way, the tenor said emphatically: "Is better!