Figure 1.
Comparison of shoot to thrill vs. long way to the top based on spotify stats and emotional arcs.
Table 1.
Overview of treatments and song characteristics.
| Treatment 1 | Treatment 2 | Treatment 3 | Treatment 4 |
|---|---|---|---|
| Song: High voltage | Song: High voltage | Song: It’s a long way […] | Song: Shoot to thrill |
| Singer: Bon Scott | Singer: Brian Johnson | Singer: Bon Scott | Singer: Brian Johnson |
| Year: 1976 | Year: 1991 | Year: 1976 | Year: 1980 |
| Album: If you want blood you’ve got it | Album: Live | Album: High voltage | Album: Back in black |
| Popularity: 0.35 | Popularity: 0.38 | Popularity: 0.74 | Popularity: 0.75 |
| Acoustics: 0.00 | Acoustics: 0.00 | Acoustics: 0.133 | Acoustics: 0 |
| Danceability: 0.55 | Danceability: 0.58 | Danceability: 0.456 | Danceability: 0.475 |
| Energy: 0.919 | Energy: 0.944 | Energy: 0.863 | Energy: 0.904 |
| Instrumentalness: 0.602 | Instrumentalness: 0.777 | Instrumentalness: 0.054 | Instrumentalness: 0.088 |
| Liveness: 0.935 | Liveness: 0.952 | Liveness: 0.055 | Liveness: 0.396 |
| Speechiness: 0.06 | Speechiness: 0.046 | Speechiness: 0.089 | Speechiness: 0.075 |
| Valence: 0.564 | Valence: 0.546 | Valence: 0.532 | Valence: 0.48 |
Figure 2.
The distributions of offers in the ‘High Voltage’ treatments (upper part) and the replica of Oxoby’s (2009) (lower part).
Table 2.
Summary statistics and Wilcoxon rank-sum tests for offers.
| Offers | |||||||
|---|---|---|---|---|---|---|---|
| Treatment | # | Mean | Std. dev. | Min | Max | Rank-sum | |
| High voltage | T1 Bon Scott ‘High Voltage’ | 49 | 5.694 | 2.2565 | 1 | 10 | p = 0.9776 |
| T2 Brian Johnson ‘High Voltage’ | 50 | 5.700 | 2.1689 | 2 | 10 | ||
| Replica of Oxoby (2009) | T3 Bon Scott ‘It’s a Long Way […]’ | 45 | 6.244 | 2.3660 | 3 | 10 | p = 0.2760 |
| T4 Brian Johnson ‘Shoot to Thrill’ | 40 | 5.425 | 1.9857 | 0 | 10 | ||
Table 3.
Summary statistics and Wilcoxon rank-sum tests for MAO
| MAO | ||||||
|---|---|---|---|---|---|---|
| Treatment | # | Mean | Std. dev. | Min | Max | Rank-sum |
| T1 Bon Scott ‘High Voltage’ | 49 | 4.0408 | 1.5937 | 1 | 7 | p = 0.0091 |
| T2 Brian Johnson ‘High Voltage’ | 50 | 5.3200 | 2.4532 | 1 | 10 | |
| T3 Bon Scott ‘It’s a Long Way’ | 45 | 5.7333 | 2.5172 | 0 | 10 | p = 0.9655 |
| T4 Brian Johnson ‘Shoot to Thrill’ | 40 | 5.5500 | 1.7090 | 2 | 10 | |
Figure 3.
The distributions of MAOs in the Bon Scott and Brian Johnson treatments for ‘High Voltage’ (upper part) and the replica of Oxoby (2009) lower part. MAOs, minimum acceptable offer.
Table 4.
Summary statistics and Wilcoxon rank-sum tests for final payouts.
| Final payout | ||||||
|---|---|---|---|---|---|---|
| Treatment | # | Mean | Std. dev. | Min | Max | Rank-sum |
| T1 Bon Scott ‘High Voltage’ | 49 | 4.1837 | 2.690055 | 0 | 10 | p = 0.0014 |
| T2 Brian Johnson ‘High Voltage’ | 50 | 2.4000 | 3.238795 | 0 | 10 | |
| T3 Bon Scott ‘It’s a Long Way’ | 45 | 2.4444 | 3.166268 | 0 | 10 | p = 0.1860 |
| T4 Brian Johnson ‘Shoot to Thrill’ | 40 | 3.3250 | 3.276861 | 0 | 10 | |
Table 5.
Summary statistics and Wilcoxon rank-sum tests for all Bon Scott vs. Brian Johnson treatments.
| Observations | Bon Scott | Brian Johnson | Rank-sum | |
|---|---|---|---|---|
| 94 | 90 | |||
| Offers | Mean | 5.9574 | 5.5778 | p = 0.4209 |
| Std. Dev | 2.3137 | 2.0824 | ||
| Min. | 1 | 0 | ||
| Max. | 10 | 10 | ||
| MAO | Mean | 4.8511 | 5.4222 | p = 0.0503 |
| Std. Dev | 2.2431 | 2.1462 | ||
| Min. | 0 | 1 | ||
| Max. | 10 | 10 | ||
| Payout | Mean | 3.3511 | 2.8111 | p = 0.1660 |
| Std. Dev | 3.0399 | 3.2702 | ||
| Min. | 0 | 0 | ||
| Max. | 10 | 10 |
Table 6.
Results of randomly chosen 18 participants in each treatment with 100 repetitions—differences were tested with the Wilcoxon rank-sum test2.
| Comparison | Measure | # of Significant Results (p < 0.05) | Direction of Difference | Singer associated with greater Economic efficiency(following Oxoby 2009) |
|---|---|---|---|---|
| T1 vs. T2 ‘High Voltage’ | Offers | 1 | Bon Scott < Brian Johnson | Brian Johnson |
| MAO | 26 | Bon Scott < Brian Johnson | Bon Scott | |
| T3 vs. T4 Original songs | Offers | 8 | Bon Scott > Brian Johnson | Bon Scott |
| MAO | 1 | Bon Scott > Brian Johnson | Brian Johnson |
Table 7.
Acoustic feature comparison of vocal performances by Brian Johnson and Bon Scott on High Voltage, extracted using Demucs for source separation and Librosa for signal analysis.
| High voltage performed by | Loudness | Energy | Tempo | Key | Harmony | Flatness | Spectral bandwidth | Speech rate proxy |
|---|---|---|---|---|---|---|---|---|
| Brian Johnson | 0.026608 | 0.204217 | 143.55 | 3 | 0.27718 | 0.07267 | 2,359.38 | 4,502.99 |
| Bon Scott | 0.04949 | 0.204189 | 136 | 5 | 0.274313 | 0.079435 | 2,276.34 | 4,502.38 |