Navigate to HotFrets.com. Open the "Cool Tools" menu and select "The Progressionator."
Click on a key in the "Key" column, then select a chord progression from the "Progression" list. Choose a playing style -- "Fingerpicking" or "Power Chords," for example -- from the "Style" column.
Click the "Generate Progression" button. Click "Play" to hear the chord progression.
Navigate to WholeNote.com and click on "Groove Builder." Select the desired length of the chord progression from the "Length" menu, pick a musical genre from the "Style" menu and use the "Resolution" menu to determine how many chords are in each measure.
Click on a radio button in the chord matrix to insert the corresponding chord into the progression. Use the first two rows in the matrix for simple major and minor chords; to insert a more complex chord type, select it from the drop-down menu underneath "Minor," then click the radio button corresponding to the desired chord.
Select a guitar type from the "Sound" menu at the bottom of the screen. Choose a tempo from the "Tempo" menu. Set the volume levels of the guitar, bass and drums using the drop-down menus next to their names.
Click "Play" to listen to the chord progression.