Song: "Heart Of The Night"
Artist: Poco
Peak position on the Cashbox Singles chart: #19
Number of weeks on the Cashbox Singles chart: 14
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| May 12, 1979 | 85 | Heart Of The Night | Poco | MCA 41023 |
| May 19, 1979 | 75 | Heart Of The Night | Poco | MCA 41023 |
| May 26, 1979 | 61 | Heart Of The Night | Poco | MCA 41023 |
| June 2, 1979 | 51 | Heart Of The Night | Poco | MCA 41023 |
| June 9, 1979 | 42 | Heart Of The Night | Poco | MCA 41023 |
| June 16, 1979 | 37 | Heart Of The Night | Poco | MCA 41023 |
| June 23, 1979 | 31 | Heart Of The Night | Poco | MCA 41023 |
| June 30, 1979 | 24 | Heart Of The Night | Poco | MCA 41023 |
| July 7, 1979 | 21 | Heart Of The Night | Poco | MCA 41023 |
| July 14, 1979 | 19 | Heart Of The Night | Poco | MCA 41023 |
| July 21, 1979 | 19 | Heart Of The Night | Poco | MCA 41023 |
| July 28, 1979 | 34 | Heart Of The Night | Poco | MCA 41023 |
| August 4, 1979 | 47 | Heart Of The Night | Poco | MCA 41023 |
| August 11, 1979 | 92 | Heart Of The Night | Poco | MCA 41023 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.