About: http://webisa.webdatacommons.org/53418933

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Your question is a little ambiguous, in that it could mean you need 2 guitars plugged in and playing simultaneously, OR, you needed 2 guitars plugged in, and would swap over between them.Either way, the A/B pedal will do it, I believe.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com