Apple added several new artist lessons to its GarageBand Lesson Store on Wednesday, bringing the total number of lessons available for purchase to 13.

With the latest update, Apple added two new Sting songs - "Message in a Bottle" and "Fragile" - and Sarah McLachlan's "Angel".

A couple of other lessons have been added since the feature was introduced with GarageBand '09. John Fogerty's "Fortunate Son" and Fall Out Boy's "Sugar, We're Goin Down".

GarageBand '09 was introduced as part of the iLife '09 suite of applications in January 2009. In addition to adding the Lesson Store, Apple also put quite a few new features in the application for guitar players.

The new lessons are available for $5 and can be downloaded from the GarageBand Lesson Store.

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