In recent years, large databases of spoken Polish have been collected such as Jurisdict (Demenko et al., 2008), Diagest (Jarmołowicz et al., 2007) or Paralingua .
for the needs of studying cross-linguistic perception and production of prominence and phrasing, stability of rhythm metrics and rhythmic classification of Polish, we also recorded non-native speakers in Polish and in their L1s (see: Sec.