仕事疲れを癒してくれる音楽 - Streamlining

Travelling with Music

Don't Break Your Nail

The Working Plan

Be the Expert

Music to the Top

The Study of Success

The Office is a Studio

Common Sense

Perfect for the Part

The Right Mood

The Efficient Way

The Keys to the Study

Be a Mastermind

New Orleans at Work

The Whitest White Collar

Vibes in the Office

The Sounds of Success

The Keys to Our Future

The Duke at Home

Warm up the Piano

Sounds Like Profit

A New Appreciation

The Duke Works at Home

The Mistake

Chillin' at Home

Vibrations at Work

Work with the Top

The Best of the Duke

The Modern Office

Achieve Mentality