Android Question (Resolved ) Why are some MP3 files "accepted" by the application and others not?

Sub CLV1_ItemLongClick(Index As Int, Value As Object)
    Dim MusicGenre As Int
    Dim suffix As String, ls As Int
    SongName = ListSongName.Get(Index)
    Storage.FindFile(Storage.Root,SongName)
    ls = SongName.length
    suffix = SongName.SubString2(ls-3, ls)
    Log ("Suffix = " & suffix)
    Log ("File Name = " & SongName)
   
    If SongName.EndsWith(".mp3") Or SongName.EndsWith(".MP3")Then MusicGenre = 1
    If SongName.EndsWith(".wav") Or SongName.EndsWith(".WAV")Then MusicGenre = 2
    If SongName.EndsWith(".flac") Then MusicGenre = 3
    If SongName.EndsWith(".mid") Then MusicGenre = 4
    If SongName.EndsWith(".gp3") Then MusicGenre = 5
   
    Select MusicGenre
        Case 1
            'Playing the sound files in the application
            Player1.Prepare(Player1.CreateFileSource(File.DirInternal,SongName))
            JukeBox.Player = Player1
            Label1.Text = " Music Title: " & SongName
            Player1.Play
           
        Case 2
            'Playing the sound files in the application
           
            If File.Exists(File.DirInternal,SongName) = True Then
                Dim sources As List
                sources.Initialize
                sources.Add(Player1.CreateFileSource(File.DirInternal, SongName))
                Sleep(5000)
                Player1.Prepare(Player1.CreateListSource(sources))
                JukeBox.Player = Player1
                Label1.Text = " Music Title: " & SongName
                Player1.Play
            End If
            'Player1.Prepare(Player1.CreateFileSource(File.DirInternal,SongName))
            'JukeBox.Player = Player1
            'Label1.Text = " Music Title: " & SongName
            'Player1.Play
                       
        Case Else
                       
            'Play sound files outside the app through your own devices
           
            Chooser.Show("audio/*", "Choose audio file")
            Wait For Chooser_Result (Success1 As Boolean, Dir1 As String, FileName1 As String)
            If Success1 Then
                Dim InStr As InputStream = File.OpenInput("ContentDir",FileName1)
                Dim OutStr As OutputStream = File.OpenOutput(File.DirInternal, SongName,False)
                File.Copy2(InStr,OutStr)
                OutStr.Close
            Else
                MsgboxAsync("If your music file is not playing," & CRLF & "you can open it directly outside" & CRLF & "this application by opening the"& CRLF & "folder chosen by you in the" & CRLF & "external storage","Advice")
            End If
       
    End Select
   
End Sub

If File.Exists(File.DirInternal, SongName) = False Then
    Dim iStream As InputStream, oStream As OutputStream
    Dim oFile As ExternalFile

    oFile = Storage.FindFileOrCreate(Storage.Root, SongName)

    If oFile.IsInitialized Then
        iStream = Storage.OpenInputStream(oFile)
        oStream = File.OpenOutput(File.DirInternal, SongName, False)
        File.copy2(iStream, oStream)
        iStream.Close
        oStream.Close
    End If
End If