Teacher: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Teacher: Now, understand the problem? If you are still confused, see the following example:
The Inheritance Cycle is a series of fantasy books written by Christopher Paolini.
Solution: The Inheritance Cycle is a tetralogy of young adult high fantasy novels written by American author Christopher Paolini.
Reason: The output sentence elaborates on the input sentence without changing its general meaning e.g. "tetralogy of young adult high fantasy novels".

Now, solve this instance: He wrote a book " The Interpretation of Music " ( London , 1954 ) , which became very widely read .
Student:
His book , " The Interpretation of Music " ( London , 1954 ) , was highly influential and is still widely read ; he also wrote numerous seminal articles on aspects of musical sources , performance and interpretation .