Use Tunesque to search iTunes and Mac App Store from your menu bar, acc to Cnet
Searching iTunes or the Mac App Store for a song, podcast, or app can be a cumbersome experience at times. Thankfully, there is an app that makes the experience a little easier. As reported by Lifehacker, a new OS X Lion (yes, you read that right. The app is for OS X Lion only) app called Tunesque allows users to quickly search both the Mac App Store or iTunes from the menu bar. Follow along as we show you the ins and outs of Tunesque.
You can download and install Tunesque by visiting the developers’ Web site here. After you have downloaded and unzipped the app, drag it over to your Applications folder and launch it. CNET