Possible Clues:

• Sweep over speed of light at Tate deception swallowed in Italy
• Appetizer of bread, tomatoes and olive oil*
• Antipasto prepared at butcher's
• A toast and thunderous applause starts after Schubert composition
• Toasted bread brushed with olive oil
• Toasted snack that's processed at butcher's
• Italian toast
• Italian bread, toasted and served with olive oil, tomatoes, herbs, garlic etc
• Toast Schubert, Brahms and Liszt — cheers!
• Grilled-bread appetizer