/// <summary>
/// Get the Artists collection from storage
/// </summary>
/// <returns></returns>
public static async Task GetDataAsync()
{
if (ArtistCollection == null)
{
// Get the current set of artists and form the lookup tables
ArtistCollection = await DbAccess.LoadAsync <Artist>();
IdLookup = ArtistCollection.ToDictionary(art => art.Id);
}
}