diff --git a/build.gradle b/build.gradle
index 776a6d19..151edd74 100644
--- a/build.gradle
+++ b/build.gradle
@@ -61,7 +61,7 @@ configurations {
 }
 
 dependencies {
-	deobfCompile "MCMultiPart2:MCMultiPart-exp:2.0.0_11:universal"
+	deobfCompile "MCMultiPart2:MCMultiPart-exp:2.0.0_16"
 	deobfCompile "mezz.jei:jei_1.11.2:4.2.6.237"
 	deobfCompile "org.cyclops.commoncapabilities:CommonCapabilities:1.11.2-1.3.1-95"
 	shadow name: "libresample4j", version: "bc0a030"
diff --git a/changelog/0.4.0.txt b/changelog/0.4.0.txt
index 3a35e836..444de1bc 100644
--- a/changelog/0.4.0.txt
+++ b/changelog/0.4.0.txt
@@ -2,11 +2,16 @@
     * One mod ID with modules (higher granularity than previously) configurable in config/charset/modules.
     * The above, of course, makes "@Charset" work in JEI.
 * [audio.tapes] Temporaily removed due to a potential incoming redesign. That's the only breaking part of this update - sorry!
+* [audio.transport] New module - adds Audio Cables (requires MCMultiPart2)
 * [lib] [#123] Work around issues with mods which change wood recipes, like BetterWithMods
 * [misc.drama] [#120] Fix IllegalArgumentException
 * [misc.scaffolds] Improved JEI support.
 * [pipes] [#121] Fix Shifter crashes
-* [pipes] Add support for CommonCapabilities' IInventoryState for further optimizations.
+* [pipes] Added support for CommonCapabilities' IInventoryState for further optimizations.
+* [pipes] Added MCMultiPart2 support.
+* [storage.barrels] Added support for locking Hopping Barrels with a redstone signal.
+* [storage.barrels] Added MCMultiPart2 support.
+* [storage.barrels] Fixed Creative Barrel behaviour on stack insertion.
 * [storage.barrels] Fixed many issues with barrel carts.
 * [storage.barrels] Improved JEI support.
 * [storage.barrels] Sticky barrel upgrade can now use OreDict-ed slimeballs.
diff --git a/src/main/java/pl/asie/charset/lib/capability/CapabilityHelper.java b/src/main/java/pl/asie/charset/lib/capability/CapabilityHelper.java
index 940d185a..9388c902 100644
--- a/src/main/java/pl/asie/charset/lib/capability/CapabilityHelper.java
+++ b/src/main/java/pl/asie/charset/lib/capability/CapabilityHelper.java
@@ -59,7 +59,7 @@ public static <T> T get(World world, BlockPos pos, Capability<T> capability, Enu
                 return result;
         }
 
-        if (entities) {
+        if (entities && !world.isSideSolid(pos, facing, false)) {
             List<Entity> entityList = world.getEntitiesWithinAABBExcludingEntity(null, new AxisAlignedBB(pos));
             for (Entity entity : entityList) {
                 T result = get(capability, entity, facing);
diff --git a/src/main/java/pl/asie/charset/lib/material/ItemMaterial.java b/src/main/java/pl/asie/charset/lib/material/ItemMaterial.java
index 754f2054..63bf9c45 100644
--- a/src/main/java/pl/asie/charset/lib/material/ItemMaterial.java
+++ b/src/main/java/pl/asie/charset/lib/material/ItemMaterial.java
@@ -1,6 +1,8 @@
 package pl.asie.charset.lib.material;
 
 import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraftforge.common.util.INBTSerializable;
 
 import java.util.Collection;
 
diff --git a/src/main/java/pl/asie/charset/storage/barrels/TileEntityDayBarrel.java b/src/main/java/pl/asie/charset/storage/barrels/TileEntityDayBarrel.java
index b53b7469..2a3c5068 100644
--- a/src/main/java/pl/asie/charset/storage/barrels/TileEntityDayBarrel.java
+++ b/src/main/java/pl/asie/charset/storage/barrels/TileEntityDayBarrel.java
@@ -60,6 +60,7 @@
 import net.minecraftforge.items.IItemHandler;
 import pl.asie.charset.api.lib.IAxisRotatable;
 import pl.asie.charset.ModCharset;
+import pl.asie.charset.api.pipes.IShifter;
 import pl.asie.charset.lib.blocks.TileBase;
 import pl.asie.charset.lib.capability.Capabilities;
 import pl.asie.charset.lib.capability.CapabilityHelper;
@@ -70,8 +71,12 @@
 import pl.asie.charset.lib.utils.ItemUtils;
 import pl.asie.charset.lib.utils.Orientation;
 import pl.asie.charset.lib.utils.RayTraceUtils;
+import pl.asie.charset.lib.utils.RedstoneUtils;
 import pl.asie.charset.lib.utils.SpaceUtils;
+import pl.asie.charset.pipes.PipeUtils;
+import pl.asie.charset.pipes.pipe.TilePipe;
 
+import javax.annotation.Nullable;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.WeakHashMap;
@@ -203,6 +208,9 @@ public boolean isHopping() {
             return this == HOPPING || this == CREATIVE;
         }
     }
+
+    private boolean updateRedstoneLevels;
+    private int redstoneLevel;
     private int last_mentioned_count = -1;
 
     public TileEntityDayBarrel() {
@@ -230,6 +238,22 @@ public void readNBTData(NBTTagCompound compound, boolean isClient) {
             markBlockForRenderUpdate();
     }
 
+    @Override
+    public void validate() {
+        super.validate();
+        updateRedstoneLevels = true;
+    }
+
+    public void updateRedstoneLevel() {
+        redstoneLevel = 0;
+        for (EnumFacing d : EnumFacing.VALUES) {
+            if (isTop(d) || isTop(d.getOpposite()))
+                continue;
+
+            redstoneLevel = Math.max(redstoneLevel, RedstoneUtils.getRedstonePower(world, pos.offset(d), d));
+        }
+    }
+
     @Override
     public NBTTagCompound writeNBTData(NBTTagCompound compound, boolean isClient) {
         ItemUtils.writeToNBT(item, compound, "item");
@@ -253,7 +277,12 @@ public void update() {
             return;
         }
 
-        if (!scheduledTick || (getWorld().getTotalWorldTime() % getLogicSpeed()) != 0) {
+        if (updateRedstoneLevels) {
+            updateRedstoneLevel();
+            updateRedstoneLevels = false;
+        }
+
+        if (redstoneLevel > 0 || !scheduledTick || (getWorld().getTotalWorldTime() % getLogicSpeed()) != 0) {
             return;
         }
 
@@ -305,7 +334,9 @@ void tick() {
                 for (int i = 0; i < handler.getSlots(); i++) {
                     ItemStack got = handler.insertItem(i, toPush, false);
                     if (got.isEmpty()) {
-                        item.shrink(1);
+                        if (type != Type.CREATIVE) {
+                            item.shrink(1);
+                        }
                         itemChanged = true;
                         break;
                     }
@@ -323,9 +354,12 @@ private void needLogic() {
     }
 
     public void neighborChanged(BlockPos pos, BlockPos fromPos) {
-        // X/Z can be equal, as we only care about top/bottom neighbors
-        if (type.isHopping() && pos.getX() == fromPos.getX() && pos.getZ() == fromPos.getZ()) {
-            needLogic();
+        if (type.isHopping()) {
+            updateRedstoneLevel();
+            // X/Z can be equal, as we only care about top/bottom neighbors for this
+            if (pos.getX() == fromPos.getX() && pos.getZ() == fromPos.getZ()) {
+                needLogic();
+            }
         }
     }