Possible Clues:

• Afters set out -- that's most kind
• Most appealing as wicket falls in eg London cricket match
• Most melodious
• The South gets a little trial with sugar for the most part
• Very nice to give the South a little trial
• Most tuneful soprano has little practice
• What a nice little examination for the South!
• Guardian in tsetse outbreak, which is most charming
• '''Success is counted ...by those who ne'er succeed'' (Emily Dickinson) (8)'
• 'Success is counted ___ / By those who ne'er succeed': Dickinson