how many albums did not have a time length?
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col : # | title | english translation | original album | length row 1 : 1 | mimpi yang sempurna | a perfect dream | kisah 2002 malam | 4:30 row 2 : 2 | bintang di surga | stars in the heaven | bintang di surga |  row 3 : 3 | aku dan bintang | the stars and me | taman langit | 3:39 row 4 : 4 | jauh mimpiku | distant dreams of mine | ost. alexandria |  row 5 : 5 | hari yang cerah untuk jiwa yang sepi | a bright day for a lonely soul | hari yang cerah | 3:59 row 6 : 6 | menunggu pagi | waiting for dawn | ost. alexandria |  row 7 : 7 | khayalan tingkat tinggi | high-level imagination | bintang di surga |  row 8 : 8 | sahabat | best friend | taman langit | 4:33 row 9 : 9 | sally sendiri | sally alone | hari yang cerah | 4:17 row 10 : 10 | langit tak mendengar | the sky didn't listen | ost. alexandria |  row 11 : 11 | di belakangku | behind me | bintang di surga |  row 12 : 12 | kita tertawa | we laugh | taman langit | 3:29 row 13 : 13 | membebaniku | burdening me | ost. alexandria | 4:25 row 14 : 14 | cobalah mengerti | try to understand | hari yang cerah | 3:30 row 15 : 15 | topeng | mask | taman langit | 4:25
how many albums did not have a time length?
# Title English Translation Original Album Length
1 Mimpi Yang Sempurna A Perfect Dream Kisah 2002 Malam 4:30
2 Bintang Di Surga Stars in The Heaven Bintang Di Surga
3 Aku Dan Bintang The Stars and Me Taman Langit 3:39
4 Jauh Mimpiku Distant Dreams of Mine OST. Alexandria
5 Hari Yang Cerah Untuk Jiwa Yang Sepi A Bright Day for A Lonely Soul Hari Yang Cerah 3:59
6 Menunggu Pagi Waiting For Dawn OST. Alexandria
7 Khayalan Tingkat Tinggi High-Level Imagination Bintang Di Surga
8 Sahabat Best Friend Taman Langit 4:33
9 Sally Sendiri Sally Alone Hari Yang Cerah 4:17
10 Langit Tak Mendengar The Sky Didn't Listen OST. Alexandria
11 Di Belakangku Behind Me Bintang Di Surga
12 Kita Tertawa We Laugh Taman Langit 3:29
13 Membebaniku Burdening Me OST. Alexandria 4:25
14 Cobalah Mengerti Try To Understand Hari Yang Cerah 3:30
15 Topeng Mask Taman Langit 4:25
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