Basic pinyin and the alphabet song

Lesson 1( 1): Understand pinyin symbols and tons.  
Initials : b, p, m. f. d. t. n. l. g. k. h
Finals: a, o, e, ao, ou
Lesson 1( 2):  Identify more pinyin symbols.
Finals: Ai, ei, an, en, ang, eng, ong
Lesson 1( 3):  Identify more pinyin symbols. 
Initials: j, q, x
Finals:i, ia, iao, ie, iou, ian
Lesson 1( 4): Identify more pinyin symbols. 
Initials; z, c, s
Finals: in, iang, ing, iong
Lesson 1( 5) : Identify more pinyin symbols.
Finals: u, us, uo, uai, uei, uan, uen, uang, ueng
Lesson 1( 6): Identify more pinyin symbols.
Initials: zhi, chi, shi, r
Finals: u:, u:e, U:an, u:n