Match the items on the right to the items on the left.

individually released song	??? hum album scale cassette backing arrangement whistle chord hit single muzak
music supporting the lead singer	??? hum album scale cassette backing arrangement whistle chord hit single muzak
sing a tune lips closed	??? hum album scale cassette backing arrangement whistle chord hit single muzak
notes going up at equal intervals	??? hum album scale cassette backing arrangement whistle chord hit single muzak
CD with a number of tracks	??? hum album scale cassette backing arrangement whistle chord hit single muzak
make sound by blowing air through lips	??? hum album scale cassette backing arrangement whistle chord hit single muzak
particular adaptation of a piece of music	??? hum album scale cassette backing arrangement whistle chord hit single muzak
very successful song	??? hum album scale cassette backing arrangement whistle chord hit single muzak
three or four notes played together	??? hum album scale cassette backing arrangement whistle chord hit single muzak
recorded light music played in public places	??? hum album scale cassette backing arrangement whistle chord hit single muzak
magnetic tape you can record on	??? hum album scale cassette backing arrangement whistle chord hit single muzak