You can change:
<add name="MusicStoreEntities" connectionString = "Data Source=|DataDirectory|MvcMusicStore.sdf" providerName="System.Data.SqlServerCe.4.0"/>
to:
<add name="MusicStoreEntities" connectionString="Server=(LocalDB)\v11.0; Integrated Security=true; AttachDbFileName=|DataDirectory|MvcMusicStore.mdf" providerName="System.Data.SqlClient"/>