 According to a 1999 survey by the LCMS' Commission on Worship, approximately 36% of the synod's congregations were still using "TLH" as their main hymnal, and even more were continuing to use it in combination with "LW" and/or other hymnals and hymnal supplements.An even newer hymnal, "Lutheran Service Book" (2006), has restored many of the former hymnal's features in the hope that more widespread use can be achieved.In the WELS, "TLH" was effectively replaced by "Christian Worship