Earlier yesterday Piapro blog was updated with news on Kagamine Len’s new Append Power demos and you can listen to them below.
– Migikata no Chou 40 sec short version (by NoriP)
– Soundless Voice 35 sec short version (by HitoShizukuP, mixing by yama△)
Do take note that the Appends are still under development and are subjected to modifications and improvements in the future. Also, as mentioned earlier Rin and Len’s Append will be sold as one package when it’s released.
Info source: Piapro blog via Crypton’s Vocaloid2 CV Twitter updates