Past members

Woohyun

Key

Introduction

Toheart (투하트) was a collaboration duo between SHINee's Key and Infinite's Woohyun, to signal a collaboration between SM Entertainment and Woollim Entertainment. They debuted on March 3, 2014 with the mini album 1st Mini Album.

2014: Debut and "Tell Me Why"
In January 2014, following the merger of Woollim and SM in August 2013, it was confirmed that Key and Woohyun was currently recording for a collaboration, with the album to be out as early as February or as late as April. On February 20, a prologue video was then released, revealing that the unit's name would be Toheart.[2] On March 3, they debuted with the release of their mini album, 1st Mini Album.

On April 7, they then released their first digital single "Tell Me Why", which included a broadcasting and acoustic version of the song in the first mini album.

The duo then proceeded to disband in 2014.

Current state:

disbanded 

SM Entertainment:

Mar 3, 2014-present

Debut:

Mar 10, 2014

Active years:

2014

Country:

South Korea

kpopping rank:

324th

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