- Borzillo, Carrie. Rocketing Off The Chart. Heatseekers. Billboard. Vol. 106 no. 29 (Nielsen Business Media). July 16, 1994: 20 [November 14, 2017]. ISSN 0006-2510. （原始内容存档于2022-06-27）.
The Heatseekers chart is designed for either new or developing artists. Since the chart debuted in October 1991, Billboard has defined a developing act as one who has never had an album reach the top half of the Billboard 200, ...