Complex sentence: The swish has a higher tone than the pang and is washier with a less pronounced ping, and this difference was accentuated as the swish was originally sold with rivets like a sizzle cymbal, while the pang was sold without rivets.
Split into simpler sentences: The swish has a higher tone than the pang and is washier with a less pronounced ping, and this difference was accentuated as the swish. It was originally sold with rivets like a sizzle cymbal, while the pang was sold without rivets.