It is true that the Ref 1 is hard to find for the latest version,I bought 4 different version of Ref 1,they sound completely different !
The conclusion that I made for the above is based on the latest version,the Ref 5 returns my friend home after the searching:)
The conclusion that I made for the above is based on the latest version,the Ref 5 returns my friend home after the searching:)