Your Guitar to Sound Like an Organ. By timothycobb in CircuitsElectronics14,59913Save PDFFavoriteIntroduction: Your Guitar to Sound Like an Organ.By timothycobbTimothyCobbFollow About: timothycobb.wordpress.com matermathu.net More About timothycobb » Using a Flanger pedal, this is how you can make your guitar sound like a Hammond B-3 organ played out of 2 Leslie speakers.