IFAN SEVENTEEN's "TANPA PESAN TERAKHIR | COWIS #50 (Acoustic Version)" is an acoustic rendition of a song from the fourth album of the band Seventeen, an Indonesian musical group. IFAN, who became the vocalist for Seventeen in 2008, joined the band after an audition and selection process, replacing the previous vocalist. This marked the beginning of his career with a band that already had a significant reputation. As a singer and songwriter, IFAN has been actively involved in releasing music, contributing to both his solo work and the band's discography. His musical journey with Seventeen included hit songs such as "Lelaki Hebat," "Selalu Mengalah," "Jaga Selalu Hatimu," "Jalan Terbaik," "Menemukanmu," "Ayah," and "Kemarin," which were featured across several albums. The track "TANPA PESAN TERAKHIR" holds deep personal meaning for IFAN, serving as an expression of gratitude to someone who profoundly influenced his life, particularly after their unexpected departure without a final message.