Ether-Cosmos comprises of twenty pieces for piano. The length of each piece is about 1-3 minutes, except the piece no. 18 which is longer than 12 minutes. Ether-Cosmos No. 20 is about 1.50 minutes in length. This piece was made by translating a name of an individual into musical notes or called “translation technique.” All pitches of melody in section A and B were derived from the composer’s first name and last name, whereas rhythm and pitch of each note of the melody were created by the composer. Besides, the melody throughout the whole piece was placed on the top notes. The tonal center in section A and the home key are on the note G that is related to the last note of the melodies. In terms of the harmonic or chord progression and key signature, the composer has created to suit the stated melody using chromatic chord and third-relation modulation or chromatic mediant that move to the key of Bb. Moreover, the composer imitates many compositional concepts from Romantic music era. Therefore, the sound of this piece is similar to music in Romantic period.