Playing wav file from SD card on Ethernet shield

hello, trying figure out how wav file play micro sd card on seeed w5200 ethernet shield, using sd , tmrpcm libraries. seemed me should have been able use of example code tmrpcm library, changing file name, , had work. have made sure sd card formatted correctly. converted file mp3 wav using itunes setting sample rate 8.00khz, sample size 8-bit , channel mono, instructed , copied the sd card. have set cs pin 10 output ethernet peripheral , set pin 4 chip select pin sd card. after of still can't  file play. thought maybe tmrpcm library because had issue importing it, after figured out , put debugging code (tmrpcm.isplaying()) in tell me in serial monitor whether or not song playing, library seemed working fine. have ideas??

code: [select]


#include <sd.h>
#define sd_chipselectpin 4
#include <tmrpcm.h>

tmrpcm tmrpcm;

void setup()
{
  tmrpcm.speakerpin = 9;
  pinmode(10, output);
  digitalwrite(10, high);
  pinmode(9,output); //speaker pin
  serial.begin(9600);
 
  if (!sd.begin(sd_chipselectpin))
  {
    serial.println("sd fail"); 
    return;
  }
 
  else
  {
    sd.begin(sd_chipselectpin);
    serial.println("sd ok");
    serial.println("playing...");
    tmrpcm.play("misbehavin");
    int playing = tmrpcm.isplaying();
    serial.println(playing);
  }
}

void loop()
{}


i never got working tmrpcm library used sdaudio library instead ...

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