Using an editor, I opened the MP3 on the Phone
ID3 _vTIT2 4 Sonate En Si Bemol H513 (Wq77) - 1Allegro Di Molto TPE1 Amandine Beyer Edna Stern TPE2 Amandine Beyer/Edna Stern TALB ; Bach CPE: Sonates Pour Violon Et Pianoforte; Beyer, Stern TRCK 1 TPOS 0 TYER 2005 TCON (03.07) Chamber Music>Duet TCOM ( Bach, Carl Philipp Emanuel (1714-1788) TPUB Zig-Zag APIC
No "Dance" for genre in sight
There is also a JRInfo.xml on the phone
<Item>
<Field Name="Path">Music\Bach CPE Sonates Pour Violon Et Pianoforte; Beyer, Stern\(01)Sonate_En_Si_Bemol_H513_(Wq77)_-_1Allegro_Di_Molto.mp3</Field>
<Field Name="MetaData">(2:13)(9:File Size)(7:9496540)(4:Name)(50:Sonate En Si Bemol H513 (Wq77) - 1Allegro Di Molto)(7:Bitrate)(1:0)(10:Media Type)(5:Audio)(7:Track #)(1:0)(11:Date (year))(4:2005)(19:WMDM: Persistent ID)(38:{0623065D-061B-063E-C105-E705B3051C06})(6:Artist)(14:Amandine Beyer)(5:Genre)(5:Dance)(8:Composer)(38:Bach, Carl Philipp Emanuel (1714-1788))(17:WMDM: User Rating)(1:0)(5:Album)(57:Bach CPE: Sonates Pour Violon Et Pianoforte; Beyer, Stern)(8:Duration)(3:404)</Field>
<Field Name="HHKey">(01)Sonate_En_Si_Bemol_H513_(Wq77)_-_1Allegro_Di_Molto.mp39496540</Field>
</Item>
Here the genre is Dance and this is what is displayed in the sync panel in JRiver
Can it be that this explains why JRiver does not sync but tries to copy the entire playlist each time I try to sync?