Volume 1, because I am planning to find more gems! :)

Forgotten Piano Gems Vol 1

original music: Karol Szymanowski
free score: http://imslp.org/wiki/Category:Szymanowski,_Karol
piano: Carlos Márquez

Forgotten Piano Gems Vol. 1

Prelude in D Minor No. 2, Op. 1

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Szymanowski: Prelude in D Minor Op. 1 No. 2

This Nocturne for piano was composed in 1907 by Alexei Vladimirovich Stanchinsky when he was just 19 years old.

You might hear hints of Chopin, Scriabin and even Rachmaninov.

Score:
https://musescore.com/classicman/stanchinsky-nocturne

Wikipedia:
https://en.wikipedia.org/wiki/Alexei_Stanchinsky

Nocturne in E Major

Aleksey Stanchinsky: Nocturne

Manuel Samuell (1818–1870), was a Cuban composer.
https://en.wikipedia.org/wiki/Manuel_Saumell

Score:
https://musescore.com/user/102315/scores/4922728

Ayes Del Alma

Manuel Saumell: Ayes Del Alma (Contradanza - Estudio)

Eduardo Ocón Rivas (Benamocarra, Málaga, 1833 - Málaga, 1901). Spanish composer from the same province where I currently live.

Barcarola. "En La Playa"

Eduardo Ocón: En La Playa (Barcarola)

Published in 1911. Manuel Ponce (1882-1948). Score: 
https://musescore.com/user/4887176/scores/6637172

Mazurka No. 6

Manuel Ponce: Mazurka No. 6

Barcarola

Vicente Costa y Nogueras: Barcarola

Composer Vicente Costa Nogueras was born in Alcoy (Alicante) in 1852 and died in Barcelona in 1919. He was a composer, soloist and piano teacher.

Córdoba, Op. 149. "Capricho Original"

Vicente Costa Nogueras: Córdoba, Op. 149.  "Capricho Original"

French composer Eugène Nollet (1828-1904)

Élégie, Op. 88

Eugène Nollet: Élégie, Op. 88

Angustia. "Romanza Sin Palabras"

Isaac Albéniz: Angustia. "Romanza Sin Palabras"

Composer Ricardo Castro (1864-1907) was a Mexican concert pianist and composer. He wrote for both piano and symphony orchestra.

I found this valse well written and worth it to be listened to -at least once. 

The score is in the public domain and freely available at IMSLP. It was first published in 1908.

Valse Mélancolique No. 2, Op. 36

Ricardo Castro: Valse Mélancolique No. 2, Op. 36

I started to think that the lack of popularity of this composer is maybe in part due to his hard to remember name/last name combination... I certianly have a hard time remembering it!

Composer Vicente Costa Nogueras was born in Alcoy (Alicante) in 1852 and died in Barcelona in 1919. He was a composer, soloist and piano teacher.

En El Alcázar, Op. 119. "Idilio"

Vicente Costa Nogueras: En El Alcázar, Op. 119. "Idilio"

Felipe  Pedrell (1841 –  1922) was a Spanish composer, guitarist and musicologist. Among his main direct disciples are Isaac Albéniz, Enrique Granados, Cristòfor Taltabull, Pedro Blanco, Joaquín Turina and Manuel de Falla.

Felipe Pedrell: Mazurka

composer: Julien Balbi (? - 1894)
piano: Carlos Márquez

I don't know much about this composer, but I am playing this Nocturne in the 'romantic' tradition... it seems very fitting. 

score: http://musescore.com/user/125478/scores/165776

Thanks to Patrick Gordon-Davis for creating/editing the score.  He wrote:
"I copied the sheet music to Musescore because the sheet music is only available on one website and the pages of music are too small on the page and faded, and this is a song I would like to play. I think it would be nice (pun not intended; Balbi was apparently from the town of Nice.) for more people to hear this song!".

Nocturne in A Flat Major

Julien Balbi: Nocturne in A Flat Major

Composer: Ignacy Jan Paderewski (1860 – 1941)
http://en.wikipedia.org/wiki/Ignacy_Jan_Paderewski

Score: http://imslp.org/wiki/Category:Paderewski,_Ignacy_Jan

Nocturne in B-flat Major

Ignacy Jan Paderewski: Nocturne in B-flat major

Prelude in B Flat Minor No. 9, Op. 1

Szymanowski: Prelude in B Flat Minor Op. 1 No. 9

Composer: Manuel Ponce (1882–1948)
Piece: Intermezzo No. 1 (1909)
Piano: Carlos Márquez

Intermezzo No. 1

Manuel Ponce: Intermezzo No. 1

Composer: John Field (1782-1837)
Piece: Nocturne No. 5
Performer: Carlos Márquez

Nocturne in B Flat Major No. 5, H. 37

John Field: Nocturne No. 5

Composer: Emmanuel Chabrier (1841-1894)
Piece: Feuillet d'album
Performer: Carlos Márquez

This piece was first printed in a magazine supplement in 1890 and published in 1897. The composer described it as a ‘blonde and very pale little girl, dreamy and tender; that’s the feeling’

Feuillet d'album

Emmanuel Chabrier: Feuillet d'album

I couldn't find any other recording of this piece... so it is very possible this is the first recording ever!

Vicente Costa y Nogueras was a piano teacher in Barcelona starting in 1892 until the end of his life. He was born in Alicante in 1852 and died in 1919.

He mainly composed piano music.

Vicente Costa y Nogueras: Araceli

Vicente Costa y Nogueras: Araceli (Mazurka de Salón)

I've never heard of the composer Wolf Ebann (1832-1888)... but take a few minutes to listen.
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Wolf Ebann was a Lithuanian-Jewish composer born in 1832, in Kedainiai (in Lithuania, then part of the Russian Empire). He was first taught music (piano) by his father and uncle. From the age of 11 he studied violin in Lithuania and abroad. Later he became director of the orchestra in Kaunas. Between 1874 and 1884 he worked at the Vilnius Teacher Training Institute and he was appointed as the director of the Vilnius Department of the Russian Music Society and conductor of the Vilnius City Theater Orchestra. He died in Yalta on 10 November 1888.
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I found the score by chance:
https://musescore.com/user/18902116/scores/6073083

Wolf Ebann: Daydreaming Waltz

Classically trained pianist. I enjoy playing not only the traditional repertoire but also pieces from unusual composers.

Forgotten Piano Gems Vol 1

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