There was so much chaos going on in our country… I just wanted to help.” Prompted by a friend's challenge, del Rosario wrote the song quickly, inspired by her emotions and support from her wife, Justine Peña.

[2] While "Kay Leni Tayo" was fast-paced, youthful, and incorporates rap melodies, "Rosas" is a slower, and more heartfelt pop political song performed in the key of D♯/E♭ Major using 68 time with a tempo of 150 beats per minute.

It features a diverse group of women including actresses, vloggers, activists, models, and singers such as Gabby Padilla, Yana Kalaw, Levina Alabanza, Leanne & Naara, Natasha Kintanar, Janina Gacosta, Robredo's daughters Aika and Tricia Robredo, Wynona Galvez, Gretchen Laurel, Zsaris, Saab Magalona, Jennycha Victorio, Janina Vela, Chai Fonacier, Mia Reyes, Ayn Bernos, Madelene de Borja, Gelyn Rosillo, Tippy Dos Santos, Cha Roque, Ma Line Nalangan, Ymi Sy, May Alabanza, Mela Habijan, Kelsey Hadjirul, Ceej Tantengco, Pangilinan's niece Hannah Pangilinan, Mitzi Sumilang, Alex Castro, Ana Patricia "Patreng" Non, Save San Roque Alliance and Bing Domantay.

[7] On April 23, 2022, del Rosario and Pangilinan, along with Bukas Palad Music Ministry, performed a new version of the song in Pasay City to celebrate Robredo's 57th birthday at "Araw Na10 'To!

[8][9] On May 7, 2022, del Rosario performed at Ayala Avenue in Makati City with Filipino comedian and It's Showtime host Vice Ganda during the Angat Buhay Pilipino Miting De Avance.

[12][13] On May 10, 2022, del Rosario posted on Twitter the new additional verses and snippets for "Rosas", later referred as the "extended version", following partial, unofficial results that showed Robredo's opponent, Bongbong Marcos, leading by a wide margin.

The lyrics were inspired by Robredo's speech, where she expressed gratitude to supporters, assured volunteers that their efforts have not been in vain, and encouraged them on to continue the fight beyond the elections.

[14][15] Five days after the election, on May 14, 2022, del Rosario and Pangilinan, accompanied by violinist Matthew Chang, performed the extended version at a thanksgiving event, titled "Tayo ang Liwanag: Isang Pasasalamat", held at Ateneo de Manila University Campus Grounds in Quezon City.

At that time, Del Rosario and Gab Pangilinan has joined Dela Torre as the only OPM female artist to reach number-one on Spotify Philippines chart.