Possible Clues:

• Musical artiste
• Virus too affected musician
• Person who excels in technique, say musician
• Great player spinning round's eliminated half of rivals
• Leading expert got rogue virus, too
• Skilled but very worried suitor has nothing
• Master has virus — too bad
• Very strange riotous person who is highly skilled
• Person with remarkable musical skill
• Virus too dispersed even for this miracle worker