Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A selection, emphasizing Abba's musical excellence.

This album contains a selection of the timeless Abba songs, which can be listened to, in any mood. It provides a mix which effectively blends the popular and the seldom heard. Each song on the album runs deep in meaning, influencing your thoughts, each time you hear it. An essential buy for all those into Abba.