Company LP Productions, Ltd. created these great apps:
Blues & Rags, Blues & Rags Lite, Slide Guitar Tutorial, Guitarist's Groovebox, Slide Guitar Tutorial Lite, Fingerpicking Favourites, Fingerpicking Favourites Lite, Bluegrass Banjo Basics, Guitar & Banjo Christmas, Bluegrass Banjo Basics 2., Ukulele Basics, Jewish iSongBook, Bluegrass JamBook, Kid's Guitar, and others..