<Table> <Tr> <Th> Image </Th> <Th> Name </Th> <Th> Years active </Th> <Th> Instruments </Th> <Th> Release contributions </Th> </Tr> <Tr> <Td> </Td> <Td> Heather Stebbins </Td> <Td> 2005 </Td> <Td> <Ul> <Li> cello </Li> <Li> double bass </Li> </Ul> </Td> <Td> A Fever You Can't Sweat Out (2005) </Td> </Tr> <Tr> <Td> </Td> <Td> William Brousserd </Td> <Td> 2005 </Td> <Td> trumpet </Td> <Td> A Fever You Can't Sweat Out (2005) </Td> </Tr> <Tr> <Td> </Td> <Td> Samantha Bynes </Td> <Td> 2005 </Td> <Td> violin </Td> <Td> A Fever You Can't Sweat Out (2005) </Td> </Tr> <Tr> <Td> </Td> <Td> Mike Davis </Td> <Td> 2007--2008, 2015 </Td> <Td> trombone </Td> <Td> Pretty . Odd. (2008) and Death of a Bachelor (2016) </Td> </Tr> <Tr> <Td> </Td> <Td> Tony Kadleck </Td> <Td> 2007--2008, 2015 </Td> <Td> <Ul> <Li> trumpet </Li> <Li> flugelhorn </Li> </Ul> </Td> <Td> Pretty . Odd. (2008) and Death of a Bachelor (2016) </Td> </Tr> <Tr> <Td> </Td> <Td> Jeff Kievit </Td> <Td> 2007--2008, 2015 </Td> <Td> <Ul> <Li> flugelhorn </Li> <Li> piccolo trumpet </Li> <Li> trumpet </Li> </Ul> </Td> <Td> Pretty . Odd. (2008) and Death of a Bachelor (2016) </Td> </Tr> <Tr> <Td> </Td> <Td> David Andrew Mann </Td> <Td> 2007--2008 </Td> <Td> <Ul> <Li> clarinet </Li> <Li> alto saxophone </Li> </Ul> </Td> <Td> Pretty . Odd. (2008) </Td> </Tr> <Tr> <Td> </Td> <Td> Chris Laurence </Td> <Td> 2007--2008 </Td> <Td> double bass </Td> <Td> Pretty . Odd. (2008) </Td> </Tr> <Tr> <Td> </Td> <Td> Peter Lale </Td> <Td> 2007--2008 </Td> <Td> viola </Td> <Td> Pretty . Odd. (2008) </Td> </Tr> <Tr> <Td> </Td> <Td> Perry Montague - Mason </Td> <Td> 2007--2008 </Td> <Td> violin </Td> <Td> Pretty . Odd. (2008) </Td> </Tr> <Tr> <Td> </Td> <Td> Rob Mathes </Td> <Td> 2007--2008 </Td> <Td> <Ul> <Li> guitar </Li> <Li> keyboards </Li> <Li> mandolin </Li> <Li> piano </Li> </Ul> </Td> <Td> Pretty . Odd. (2008) </Td> </Tr> <Tr> <Td> </Td> <Td> Tony Pleeth </Td> <Td> 2007--2008 </Td> <Td> cello </Td> <Td> Pretty . Odd. (2008) </Td> </Tr> <Tr> <Td> </Td> <Td> Roger Rosenberg </Td> <Td> 2007--2008 </Td> <Td> baritone saxophone </Td> <Td> Pretty . Odd. (2008) </Td> </Tr> <Tr> <Td> </Td> <Td> Andy Snitzer </Td> <Td> 2007--2008, 2015 </Td> <Td> tenor saxophone </Td> <Td> Pretty . Odd. (2008) and Death of a Bachelor (2016) </Td> </Tr> <Tr> <Td> </Td> <Td> Warren Zielinski </Td> <Td> 2007--2008 </Td> <Td> violin </Td> <Td> Pretty . Odd. (2008) </Td> </Tr> <Tr> <Td> </Td> <Td> Butch Walker </Td> <Td> 2010--2013 </Td> <Td> <Ul> <Li> guitar </Li> <Li> producer </Li> <Li> backing vocals </Li> </Ul> </Td> <Td> Vices & Virtues (2011) and Too Weird to Live, Too Rare to Die! (2013) </Td> </Tr> <Tr> <Td> </Td> <Td> Emlyn Singleton </Td> <Td> 2012--2013 </Td> <Td> violin </Td> <Td> Too Weird to Live, Too Rare to Die! (2013) </Td> </Tr> <Tr> <Td> </Td> <Td> Peter Lale </Td> <Td> 2012--2013 </Td> <Td> viola </Td> <Td> Too Weird to Live, Too Rare to Die! (2013) </Td> </Tr> <Tr> <Td> </Td> <Td> Dave Daniels </Td> <Td> 2012--2013 </Td> <Td> cello </Td> <Td> Too Weird to Live, Too Rare to Die! (2013) </Td> </Tr> <Tr> <Td> </Td> <Td> Mark Stepro </Td> <Td> 2015 </Td> <Td> drums </Td> <Td> Death of a Bachelor (2016) </Td> </Tr> <Tr> <Td> </Td> <Td> Dave Mann </Td> <Td> 2015 </Td> <Td> tenor saxophone </Td> <Td> Death of a Bachelor (2016) </Td> </Tr> <Tr> <Td> </Td> <Td> Aaron Heick </Td> <Td> 2015 </Td> <Td> alto saxophone </Td> <Td> Death of a Bachelor (2016) </Td> </Tr> <Tr> <Td> </Td> <Td> Dave Riekenberg </Td> <Td> 2015 </Td> <Td> baritone saxophone </Td> <Td> Death of a Bachelor (2016) </Td> </Tr> <Tr> <Td> </Td> <Td> Randy Andos </Td> <Td> 2015 </Td> <Td> bass trombone </Td> <Td> Death of a Bachelor (2016) </Td> </Tr> <Tr> <Td> </Td> <Td> Dylan Schwab </Td> <Td> 2015 </Td> <Td> trumpet </Td> <Td> Death of a Bachelor (2016) </Td> </Tr> <Tr> <Td> </Td> <Td> Jake Sinclair </Td> <Td> 2015 </Td> <Td> <Ul> <Li> keyboard </Li> <Li> piano </Li> <Li> producer </Li> <Li> backing vocals </Li> </Ul> </Td> <Td> Death of a Bachelor (2016) </Td> </Tr> </Table> <Tr> <Th> Image </Th> <Th> Name </Th> <Th> Years active </Th> <Th> Instruments </Th> <Th> Release contributions </Th> </Tr> <Tr> <Td> </Td> <Td> Heather Stebbins </Td> <Td> 2005 </Td> <Td> <Ul> <Li> cello </Li> <Li> double bass </Li> </Ul> </Td> <Td> A Fever You Can't Sweat Out (2005) </Td> </Tr> <Ul> <Li> cello </Li> <Li> double bass </Li> </Ul>

How many members of panic at the disco are there