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Dänemark| Label: | Motown 1A K052Z-63955 |
| Genre: | Funk / Soul |
| Style: | Funk |
| Format: | Vinyl (12" , Single , 33 ⅓ RPM) |
| A | Let's Get Serious » Producer, Arranged By: Stevie Wonder » Written-By: Lee Garrett, Stevie Wonder | 8:05 |
| B | The Force » Written-By, Producer: J. Jackson, M. McGloiry | 4:23 |
| Label: | Motown 12TMG 1183 |
| Genre: | Electronic, Funk / Soul |
| Style: | Disco |
| Format: | Vinyl (12" , Single , 45 RPM) |
| A | Let's Get Serious » Arranged By: Stevie Wonder » Producer: Stevie Wonder » Written-By: Lee Garrett, Stevie Wonder | 7:56 |
| B | Je Vous Aime Beaucoup (I Love You) » Producer: Hal Davis » Strings [& Horn Arrangements By]: Don Peake » Written By: M. Bailey » Written-By: J. Jackson | 4:00 |
| Label: | EMI Electrola 1C 052-63 784 YZ |
| Genre: | Funk / Soul |
| Style: | Disco |
| Format: | Vinyl (12" , Maxi-Single , 45 RPM) |
| A | Let's Get Serious » Producer, Arranged By: Stevie Wonder | 7:55 |
| B | Je Vous Aime Beaucoup (I Love You) » Producer: Hal Davis | 4:00 |
| Label: | Motown TMG 1183 |
| Genre: | Funk / Soul |
| Style: | Soul, Disco |
| Format: | Vinyl (7") |
| A | Let's Get Serious » Producer, Arranged By: Stevie Wonder | 3:33 |
| B | Je Vous Aime Beaucoup (I Love You) » Producer: Hal Davis | 4:00 |
| Label: | Motown PR-66 |
| Genre: | Funk / Soul |
| Style: | Disco |
| Format: | Vinyl (12" , 33 ⅓ RPM , Promo) |
| A | Let's Get Serious | 7:55 |
| B | Let's Get Serious | 3:33 |
| Label: | Motown M 1469F |
| Genre: | Funk / Soul, Pop |
| Format: | Vinyl (7") |
| A | Let's Get Serious » Written-By: L. Garrett, S. Wonder | 3:33 |
| B | Je Vous Aime Beaucoup (I Love You) » Written-By: J. Jackson, M. Bailey | 4:00 |
| Label: | Motown 1A 006-63784 |
| Genre: | Funk / Soul, Pop |
| Format: | Vinyl (7") |
| A | Let's Get Serious » Written-By: Lee Garrett, Stevie Wonder | 3:33 |
| B | Je Vous Aime Beaucoup (I Love You) » Written-By: Jermaine Jackson, Maureen Bailey | 4:00 |
| Label: | Motown M 1469X |
| Genre: | Funk / Soul, Pop |
| Format: | Vinyl (7") |
| A | Let's Get Serious » Written-By: Lee Garrett, Stevie Wonder | 3:33 |
| B | Je Vous Aime Beaucoup (I Love You) » Written-By: Jermaine Jackson, Maureen Bailey | 4:00 |
| Label: | Motown M 1469F |
| Genre: | Funk / Soul |
| Style: | Funk |
| Format: | Vinyl (7" , Promo) |
| A | Let’s Get Serious | 3:33 |
| A | Let’s Get Serious | 3:33 |
| Label: | Motown 2C006-63.784 |
| Genre: | Funk / Soul, Pop |
| Format: | Vinyl (7" , 45 RPM , Single) |
| A | Let's Get Serious » Written-By: Lee Garrett, Stevie Wonder | 3:33 |
| B | Je Vous Aime Beaucoup (I Love You) » Written-By: Jermaine Jackson, Maureen Bailey | 4:00 |
| Label: | EMI Electrola 1C 006-63 784 |
| Genre: | Funk / Soul |
| Style: | Disco |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | Let's Get Serious » Producer: Stevie Wonder | 3:33 |
| B | Je Vous Aime Beaucoup » Producer: Hal Davis | 3:59 |
| Label: | Motown Y-633-F |
| Genre: | Funk / Soul, Pop |
| Style: | Soul |
| Format: | Vinyl (7" , 45 RPM , Reissue) |
| A | Let's Get Serious » Written By: L. Garrett | 3:33 |
| B | You're Supposed To Keep Your Love For Me |
| Label: | Motown 100-07-067 |
| Genre: | Pop |
| Format: | Vinyl (7") |
| A | Let's Get Serious (7" Edit) » Lead Vocals: Jermaine Jackson » Written-By: Lee Garrett » Written-By, Producer, Arranged By: Stevie Wonder | 3:33 |
| B | Je Vous Aime Beaucoup (I Love You) » Arranged By: Don Peeke » Lead Vocals, Written-By: Jermaine Jackson » Producer: Hal Davis » Written-By: M. Bailey | 3:59 |
| Label: | Motown ZB 61568 |
| Genre: | Pop |
| Format: | Vinyl (7") |
| A | Let's Get Serious (7" Edit) » Lead Vocals: Jermaine Jackson » Producer: Stevie Wonder » Written-By: L. Garrett, Stevie Wonder | 3:33 |
| B | Where Are You Now » Lead Vocals: Jermaine Jackson » Producer: Stevie Wonder » Written-By: R. Hardaway, Stevie Wonder | 3:53 |
| Label: | Motown A-101.980 |
| Genre: | Pop |
| Format: | Vinyl (7") |
| A | Let's Get Serious (7" Edit) » Lead Vocals: Jermaine Jackson » Written-By: L, Garrett » Written-By, Producer, Arranged By: S, Wonder | 3:32 |
| B | Je Vous Aime Beaucoup (I Love You) » Arranged By: D, Peeke » Lead Vocals: Jermaine Jackson » Producer: H, Davis » Written-By: J, Jackson, M, Bailey | 4:00 |
| Label: | Motown 3C 006-63784 |
| Genre: | Funk / Soul, Pop |
| Format: | Vinyl (7" , 45 RPM) |
| A | Let's Get Serious » Arranged By, Producer: Stevie Wonder » Written-By: L. Garrett, S. Wonder | 3:34 |
| B | Je Vous Aime Beaucoup (I Love You) » Arranged By: Don Peake » Producer: Hal Davis » Written-By: J. Jackson, M. Bailey | 4:00 |
| Label: | Motown MOT-1514 |
| Genre: | Funk / Soul |
| Style: | Soul, Funk, Disco |
| Format: | Vinyl (7" , 45 RPM , Single) |
| A | Let's Get Serious » Producer, Arranged By: Stevie Wonder » Written-By: L. Garrett, S. Wonder | 3:34 |
| B | Je Vous Aime Beaucoup (I Love You) » Arranged By: Don Peake » Producer: Hal Davis » Written-By: J. Jackson, M. Bailey | 4:01 |
| Label: | Motown 1469F |
| Genre: | Funk / Soul |
| Style: | Soul |
| Format: | Vinyl (7") |
| A | Let's Get Serious | |
| B | Je Vous Aime Beaucoup (I Love You) |
| Label: | Motown TMG 1183 |
| Genre: | Funk / Soul |
| Style: | Disco, Funk, Soul |
| Format: | Vinyl (7" , Promo) |
| A | Let's Get Serious | |
| B | Je Vous Aime Beaucoup |
| Label: | Motown M 1469F |
| Genre: | Funk / Soul, Pop |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | Let's Get Serious » Producer, Arranged By: Stevie Wonder » Written-By: L. Garrett, S. Wonder | 3:33 |
| B | Je Vous Aime Beaucoup (I Love You) » Arranged By: Don Peake » Producer: Hal Davis » Written-By: J. Jackson, M. Bailey | 4:00 |
