Cocktail Recept: A cappella

A A cappella cocktail contains the following ingredients:

• 2 cl. Blue Curacao 
• 2 cl. Grapefruit juice
• 1 cl. Lime juice
• 12 cl. Tonic
• 1 pair Ice Cubes

Put some ice cubes in a shaker.
Then add the blue curacao, grapefruit juice and lime juice. Then shake the mix vigorously.
Pour the mixture through a strainer into a highball glass containing some ice cubes.
Complete the cocktail further, to taste, with cold tonic.
Serve immediately and present the cocktail with a straw.