diff --git a/src/main/java/umc/codeplay/controller/MemberController.java b/src/main/java/umc/codeplay/controller/MemberController.java
index ff383a6..d92b29e 100644
--- a/src/main/java/umc/codeplay/controller/MemberController.java
+++ b/src/main/java/umc/codeplay/controller/MemberController.java
@@ -1,7 +1,9 @@
 package umc.codeplay.controller;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
+import java.util.stream.Collectors;
 
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.*;
@@ -90,17 +92,23 @@ public ApiResponse<MemberResponseDTO.GetAllByMusicTitleDTO> getByMusicTitle(
 
         // 현재 로그인한 사용자 검색
         String email = userDetails.getUsername();
+        Member member =
+                memberRepository
+                        .findByEmail(email)
+                        .orElseThrow(() -> new RuntimeException("사용자를 찾을 수 없습니다."));
 
-        Optional<Member> optionalMember = memberRepository.findByEmail(email);
-        if (optionalMember.isEmpty()) {
-            throw new RuntimeException("사용자를 찾을 수 없습니다.");
-        }
-        Member member = optionalMember.get();
+        List<Music> musics = musicRepository.findAllByTitle(musicTitle);
+
+        List<MemberResponseDTO.GetMyHarmonyDTO> harmonyDTOs = new ArrayList<>();
+        List<MemberResponseDTO.GetMyTrackDTO> trackDTOs = new ArrayList<>();
 
-        Music music = musicRepository.findByTitle(musicTitle);
+        for (Music music : musics) {
+            harmonyDTOs.addAll(memberService.getHarmonyByMusicTitle(member, music));
+            trackDTOs.addAll(memberService.getTrackByMusicTitle(member, music));
+        }
 
         MemberResponseDTO.GetAllByMusicTitleDTO results =
-                memberService.getAllByMusicTitle(member, music);
+                new MemberResponseDTO.GetAllByMusicTitleDTO(harmonyDTOs, trackDTOs);
 
         return ApiResponse.onSuccess(results);
     }
@@ -110,19 +118,21 @@ public ApiResponse<MemberResponseDTO.GetAllByMusicTitleDTO> getByMusicTitle(
     public ApiResponse<List<MemberResponseDTO.GetMyHarmonyDTO>> getHarmonyByMusicTitle(
             @AuthenticationPrincipal CustomUserDetails userDetails,
             @RequestParam String musicTitle) {
-        // 현재 로그인한 사용자 검색
         String email = userDetails.getUsername();
+        Member member =
+                memberRepository
+                        .findByEmail(email)
+                        .orElseThrow(() -> new RuntimeException("사용자를 찾을 수 없습니다."));
 
-        Optional<Member> optionalMember = memberRepository.findByEmail(email);
-        if (optionalMember.isEmpty()) {
-            throw new RuntimeException("사용자를 찾을 수 없습니다.");
-        }
-        Member member = optionalMember.get();
-
-        Music music = musicRepository.findByTitle(musicTitle);
-
+        List<Music> musics = musicRepository.findAllByTitle(musicTitle);
         List<MemberResponseDTO.GetMyHarmonyDTO> results =
-                memberService.getHarmonyByMusicTitle(member, music);
+                musics.stream()
+                        .flatMap(
+                                music ->
+                                        memberService
+                                                .getHarmonyByMusicTitle(member, music)
+                                                .stream())
+                        .collect(Collectors.toList());
 
         return ApiResponse.onSuccess(results);
     }
@@ -132,19 +142,18 @@ public ApiResponse<List<MemberResponseDTO.GetMyHarmonyDTO>> getHarmonyByMusicTit
     public ApiResponse<List<MemberResponseDTO.GetMyTrackDTO>> getTrackByMusicTitle(
             @AuthenticationPrincipal CustomUserDetails userDetails,
             @RequestParam String musicTitle) {
-        // 현재 로그인한 사용자 검색
         String email = userDetails.getUsername();
+        Member member =
+                memberRepository
+                        .findByEmail(email)
+                        .orElseThrow(() -> new RuntimeException("사용자를 찾을 수 없습니다."));
 
-        Optional<Member> optionalMember = memberRepository.findByEmail(email);
-        if (optionalMember.isEmpty()) {
-            throw new RuntimeException("사용자를 찾을 수 없습니다.");
-        }
-        Member member = optionalMember.get();
-
-        Music music = musicRepository.findByTitle(musicTitle);
-
+        List<Music> musics = musicRepository.findAllByTitle(musicTitle);
         List<MemberResponseDTO.GetMyTrackDTO> results =
-                memberService.getTrackByMusicTitle(member, music);
+                musics.stream()
+                        .flatMap(
+                                music -> memberService.getTrackByMusicTitle(member, music).stream())
+                        .collect(Collectors.toList());
 
         return ApiResponse.onSuccess(results);
     }
diff --git a/src/main/java/umc/codeplay/repository/MusicRepository.java b/src/main/java/umc/codeplay/repository/MusicRepository.java
index 5527abd..b38b646 100644
--- a/src/main/java/umc/codeplay/repository/MusicRepository.java
+++ b/src/main/java/umc/codeplay/repository/MusicRepository.java
@@ -1,5 +1,7 @@
 package umc.codeplay.repository;
 
+import java.util.List;
+
 import org.springframework.data.jpa.repository.JpaRepository;
 
 import umc.codeplay.domain.Music;
@@ -7,4 +9,6 @@
 public interface MusicRepository extends JpaRepository<Music, Long> {
     // 제목으로 음원 찾기
     Music findByTitle(String title);
+
+    List<Music> findAllByTitle(String title);
 }
diff --git a/src/main/java/umc/codeplay/service/MemberService.java b/src/main/java/umc/codeplay/service/MemberService.java
index 3362bf2..1b8b3d5 100644
--- a/src/main/java/umc/codeplay/service/MemberService.java
+++ b/src/main/java/umc/codeplay/service/MemberService.java
@@ -2,6 +2,7 @@
 
 import java.security.InvalidParameterException;
 import java.security.SecureRandom;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.stream.Collectors;
 import jakarta.transaction.Transactional;
@@ -133,22 +134,16 @@ public List<MemberResponseDTO.GetMyTrackDTO> getMyTrack(Member member) {
                 .collect(Collectors.toList());
     }
 
-    public MemberResponseDTO.GetAllByMusicTitleDTO getAllByMusicTitle(Member member, Music music) {
+    public MemberResponseDTO.GetAllByMusicTitleDTO getAllByMusicTitle(
+            Member member, List<Music> musics) {
+        List<MemberResponseDTO.GetMyHarmonyDTO> harmonyDTOs = new ArrayList<>();
+        List<MemberResponseDTO.GetMyTrackDTO> trackDTOs = new ArrayList<>();
 
-        List<Harmony> harmonies = harmonyRepository.findByMusicAndMember(member, music);
-        List<Track> tracks = trackRepository.findByMusicAndMember(member, music);
-
-        List<MemberResponseDTO.GetMyHarmonyDTO> harmonyDTOs =
-                harmonies.stream()
-                        .map(harmony -> memberConverter.toGetMyHarmonyDTO(harmony, member))
-                        .collect(Collectors.toList());
-
-        List<MemberResponseDTO.GetMyTrackDTO> trackDTOs =
-                tracks.stream()
-                        .map(track -> memberConverter.toGetMyTrackDTO(track, member))
-                        .collect(Collectors.toList());
+        for (Music music : musics) {
+            harmonyDTOs.addAll(getHarmonyByMusicTitle(member, music));
+            trackDTOs.addAll(getTrackByMusicTitle(member, music));
+        }
 
-        // DTO를 하나의 객체로 묶어서 반환
         return new MemberResponseDTO.GetAllByMusicTitleDTO(harmonyDTOs, trackDTOs);
     }