Summarize the following:
Introductions to boogie-woogie songs vary widely. A very common way to start a boogie-woogie is by simply playing the left hand bass pattern for four measure by itself, and then introduce the right hand.Another common way to begin a boogie-woogie is by using the first two chords of a turnaround progression, the I7 and I dim 7. In the key of C this means C7 and C diminished 7. An intro of this sort is usually four measures in duration and consists of going back and forth between these two chords. These four measures count as the first four measures of the 12-bar form and when the left hand comes in with the bass pattern it is on the IV chord. Use an intro to start and an ending to finish and now you're playing boogie woogie!

summary: Learn an introduction. Combine a repeating, rhythmic bass pattern in the left hand with chords and licks in the right hand.

Summarize the following:
You can use the same color for all 3 strands, or you can choose different colors. Duct tape comes in many different patterns, so that is an option too. You will need 1 roll of duct tape for each color/pattern that you will be using. If you'll be using the same color for all 3 strands, then you only need 1 roll of duct tape in that color. Some craft stores sell narrower strips of duct tape. Avoid using these, as they will be too difficult to work with.

summary: Choose your duct tape.

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This will open a new window that will check for any available system updates. You can choose a schedule for the frequency at which you want software updates to occur, or you can choose to have updates checked and installed automatically when they become available. Select "Check for updates," then select how often you want to check for them. You can check on a daily, weekly, or on a monthly basis. Select "Download updates automatically" if you want your computer to automatically check and install updates when they become available. You may be required to restart your computer when the updates are completed. This will check for any available updates for your system software and Apple programs. After checking for updates, you'll be presented with a list of updates that you can install. Each one will have a checkbox next to it. Check the box for each update you want to download and install. You'll be prompted for the administrator password. Once you enter the password, the updates will begin downloading and installing. The Software Update window will not check for updates to your App Store app. You'll need to check for these in the App Store. Open the App Store from your dock. Click the "Updates" tab. Click the "Update" button next to apps with available updates, or "Update All" to download them all at once.
summary: Open the Apple menu and select "Software Update." Manage your software update preferences. Click the "Check Now" button. Check the box for each update you want to install. Click the "Install # Items" button. Open the App Store to check for app updates.