Question: Are both Naser Mestarihi and Lovefoxxx a singer?

Context paragraphs:
Nasser Razazi: Naser Razzazi (Kurdish: ناسر ڕەزازی‎ or Nasir Rezazî ; born Jun 21, 1955) is a Kurdish singer, poet and writer and is considered as one of the most famous and popular singers in Kurdish music and is a grand master in the tradition.  His music encompasses traditional Kurdish folk songs in four different Kurdish dialects, Soranî, Kurmanji, Hewramî (Zhawaroee) and Kalhori (Southern Kurdish).  He recorded an album with Iranian_Kurdish musician Abdollah Alijani Ardeshir.

Naser Mestarihi EP: Naser Mestarihi EP is the eponymous debut EP of Doha based hard rock guitarist Naser Mestarihi.  The release of the album marked the first official release of a rock album out of Qatar.  All the lyrics and music on the album were written by Mestarihi, who also plays all the instruments with the exception of the drums.

Baya al Ward: Baya al Ward (Arabic: بياع الورد‎ ‎ , English: The Florist ) is the fourth studio album by the Lebanese singer Amal Hijazi released under the label Rotana in 2006.  For the project, Hijazi collaborated with renowned producers like Jean Saliba and Fady Bitar and worked with some of the biggest names in the industry like Elias Naser, Samer Nakhla and Haytham Ziad.  Despite of the negative publicity and controversies over the album's theme, it was a commercial success, topping various charts in countries like Lebanon, Egypt, Syria, Morocco, Tunisia, UAE, and Kuwait.  In addition, the album received generally positive reviews in the west and was sold highly in the UK, France and Canada.

Nightcall (song): "Nightcall" is a song by French electro house artist Kavinsky, released in 2010.  It was produced with Daft Punk's Guy-Manuel de Homem-Christo and mixed by electronic artist SebastiAn.  It features Lovefoxxx, lead singer of Brazilian band CSS, on vocals and includes remixes by Dustin N'Guyen, Jackson and his Computer Band and Breakbot.  The track was used in the title sequence for the film "Drive", directed by Nicolas Winding Refn and starring Ryan Gosling and Carey Mulligan.  "Nightcall" was included on Kavinsky's debut studio album, "OutRun" (2013).

Lovefoxxx: Luísa Hanae Matsushita (born February 25, 1984), known by her stage name Lovefoxxx, is the lead singer of the Brazilian indie band Cansei de Ser Sexy (CSS).

Naser Mestarihi: Naser Mestarihi (Arabic: ناصر شاهر صالح المستريحي; born 14 October 1987) is a Qatari born Jordanian-Pakistani singer-songwriter and multi-instrumentalist (guitars, bass & vocals) who is based out of Doha, Qatar and Dubai, United Arab Emirates.  Naser is the first rock musician to ever officially release a rock album out of Qatar, the "Naser Mestarihi EP".  He released his second album "1987" on 17 June 2013.

1987 (Naser Mestarihi album): 1987 is the full-length debut of Doha/Dubai based hard rock singer-songwriter Naser Mestarihi.  The album was released on June 17, 2013.

Supporting paragraphs: Naser Mestarihi Lovefoxxx
Answer: yes