You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who sings the original jingle bell rock song?" whose answer is Bobby Helms.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who sings jingle bell rock original
Useful Output:

Doc 1: Singers Kirsty MacColl and Shane MacGowan with with toy guns and an inflatable Santa, 1987 · Music · The 50 best Christmas songs of the last 50
Doc 2: Here are the lyrics for Bobby Helms' Christmas classic, "Jingle Bell Rock." By Shea Lenniger
Doc 3: Jingle Bell Rock was first recorded by country singer Bobby Helms. He is not recognized as the song's author, but he and guitarist Hank “Sugarfoot” Garland
Doc 4: In the fall of 1957 country music singer Bobby Helms released “Jingle Bell Rock,” a holiday dance tune composed by Joseph Carleton Beal and James Ross Boothe.
Doc 5: Bobby Helms - Jingle Bell Rock (Lyrics) · Comments.