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 wrote the song i'll keep holding on?" whose answer is Ivy Jo Hunter.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who wrote the song i'll keep holding on
Useful Output:

Doc 1:  written so many other songs together. The song was first performed by the Frantic Elevators. The song's "I'll keep holding on" chorus was
Doc 2: When the Elevators split and I started Simply Red, I returned to the song and wrote the “I'll keep holding on” chorus. The song is credited
Doc 3: "I'll Keep Holding On" is a song composed by Mickey Stevenson and Ivy Jo Hunter and recorded by Motown singing group The Marvelettes, who
Doc 4: Simply Red frontman Mick Hucknall wrote this song, while his former Frantic Elevators bandmate Neil Moss also has a songwriting credit. Mick
Doc 5:  album for two years running in Britain and Europe. They have had two US Billboard chart toppers with classic singles Holding Back The Years