/usr/lib/pd/extra/rtc/brown-melody-help.pd is in pd-rtclib 4.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | #N canvas 301 56 621 460 10;
#X text 35 62 Generates a brownian-mouvement-like melody within a given
ambitus. The distance between two notes is determined by the brownian
factor <0-1>. When this factor is 1 \, each note of the given range
can be choosen. When the rate is O \, the same note will be always
repeated. The right outlet shows the chosen interval.;
#X text 35 31 brown-melody;
#X msg 475 52 Harmony;
#X obj 68 298 brown-melody 24 108 0.1;
#X floatatom 240 264 4 0 0 2 highest_note - -;
#X floatatom 153 264 4 0 0 2 lowest_note - -;
#X floatatom 332 262 4 0 0 2 brown_factor - -;
#X obj 68 230 metro 200;
#X obj 68 194 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 1 1
;
#X floatatom 68 335 4 0 0 1 note - -;
#X floatatom 224 329 4 0 0 1 interval - -;
#X text 330 381 1993 by Karlheinz Essl;
#X obj 68 263 bng 15 250 50 0 empty empty rhythm_bangs 0 -6 0 8 -262144
-1 -1;
#X text 330 395 vs.2: right outlet shows interval;
#X text 35 152 see also:;
#X msg 100 152 brownian;
#X text 240 41 (vs. 2);
#X floatatom 126 202 5 50 2000 2 speed - -;
#X obj 68 388 play2 127 500 0 1;
#X connect 3 0 9 0;
#X connect 3 1 10 0;
#X connect 4 0 3 2;
#X connect 5 0 3 1;
#X connect 6 0 3 3;
#X connect 7 0 12 0;
#X connect 8 0 7 0;
#X connect 9 0 18 0;
#X connect 12 0 3 0;
#X connect 17 0 7 1;
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