classic and classical

Classic usually refers to a famous traditional style.

• He’s a classic 1960s hippy who has never changed.
• She buys classic cars and restores them.

Classical refers to the culture of ancient Greece and Rome, or to European works of art of the so-called ‘classical’ period in the 18th century.

• She’s studying classical languages and literature at Cambridge.

Classical music is used to refer to the work of composers like Bach, Mozart or Szymanowski, in contrast to popular music or jazz.

• It’s hard to learn classical guitar.