"Una" is a song performed by Filipino

Philippines

The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 rock band

Rock Band

Rock Band is a music video game developed by Harmonix Music Systems, published by MTV Games and Electronic Arts. It is the first title in the Rock Band series. The PlayStation 3 and Xbox 360 versions were released in the United States on November 20, 2007, while the PlayStation 2 version was...

 Sponge Cola

Sponge Cola

Sponge Cola is a Filipino rock band formed in 2002 which produced many hit songs including "Lunes" , "KLSP", "Jeepney", "Makapiling Ka" and many others....

. It is tenth track from their debut album, Palabas

Palabas

Palabas is the debut album of Filipino rock band Sponge Cola. It was released on October 18, 2004 under .This album contains some songs that the band members made even before they were officially formed. The album is made up of a well-balanced mix of rock and mellow...

. It became #1 in Philippines' popular music charts.

The song begins with a dramatic nylon guitar

Classical guitar

The classical guitar is a 6-stringed plucked string instrument from the family of instruments called chordophones...

 intro riff

RIFF

The Resource Interchange File Format is a generic file container format for storing data in tagged chunks. It is primarily used to store multimedia such as sound and video, though it may also be used to store any arbitrary data....

 by lead guitar

Lead guitar

Lead guitar is a guitar part which plays melody lines, instrumental fill passages, guitar solos, and occasionally, some riffs within a song structure...

ist Erwin Armovit, which is then layered by rhythm guitar

Rhythm guitar

Rhythm guitar is a technique and rôle that performs a combination of two functions: to provide all or part of the rhythmic pulse in conjunction with singers or other instruments; and to provide all or part of the harmony, ie. the chords, where a chord is a group of notes played together...

ist Yael Yuzon's chords. This section is carried on throughout all verses, except for the choruses, in which both guitars become heavily distorted

Distortion (guitar)

Distortion effects create "warm", "dirty" and "fuzzy" sounds by compressing the peaks of a musical instrument's sound wave and adding overtones. The three principal types of distortion effects are overdrive, distortion and fuzz. Distortion effects are sometimes called “gain” effects, as distorted...

.

Music video

The music video was directed by Wincy Ong. It shows the band playing the song in an antique-styled, possibly haunted room.

Butterflies

Butterfly

A butterfly is a mainly day-flying insect of the order Lepidoptera, which includes the butterflies and moths. Like other holometabolous insects, the butterfly's life cycle consists of four parts: egg, larva, pupa and adult. Most species are diurnal. Butterflies have large, often brightly coloured...

 can be seen on the band's instruments while they are playing.

The room becomes darker on each chorus. On the bridge of the song, large amounts of dry ice are used all over the room. After a while, cut papers are seen flying in the room. Rain

Rain

Rain is liquid precipitation, as opposed to non-liquid kinds of precipitation such as snow, hail and sleet. Rain requires the presence of a thick layer of the atmosphere to have temperatures above the melting point of water near and above the Earth's surface...

then occurs on the last chorus.