Possible Clues:

• Art movement pioneered by Braque and Picasso before 1914
• "Guernica" style
• Modern artistic movement and key in rock music
• Art movement pioneered by Picasso and Braque
• 20th-century art style
• Junior reporter exemplifies medium's fractured style
• School of painting
• Art movement in early 20th century
• School full of quadrangles?
• Music rolls cut by British art movement