Directions: Underline the topic sentence in each of the following paragraph. Then decide whether each paragraph is unified. If not, identify the problem by circling any sentence that is not clearly related to the controlling idea. In the space provided, briefly explain the problem. 2. Many professional musicians complain that the violins, cellos, and other string instruments produced today cannot match those crafted at the close of the Renaissance by a group of Italians working in the city of Cremona. The sound from many modern instruments has an unpleasant edge when certain notes are played, similar to the effect of a hundred violins all playing the same note with one ever so slightly out of tune. In addition, most of today, s instruments are not well balanced--some notes are richer and more resonant than others--and their sound does not carry as well as that from a Cremonese instrument. Violins are today made throughout the world l no single country or community has cornered the market on fine instrument making.