Lots of schematics changes.

hardware/base/base.kicad_pro

     "pinned_symbol_libs": []
   },
   "meta": {
-    "filename": "hackamp.kicad_pro",
+    "filename": "base.kicad_pro",
     "version": 1
   },
   "net_settings": {
       }
     ],
     "meta": {
-      "version": 1
+      "version": 2
     },
     "net_colors": null
   },
       "d50443f1-be1e-4114-bf48-a344401d3302",
       ""
     ],
-    [
-      "00000000-0000-0000-0000-00005fa5bced",
-      "Speaker Amplifier"
-    ],
     [
       "00000000-0000-0000-0000-00005fa5bd36",
       "Headphone Amplifier"
       "00000000-0000-0000-0000-00005fa5bd7a",
       "Processor"
     ],
-    [
-      "00000000-0000-0000-0000-00005fa5bdb1",
-      "Bluetooth"
-    ],
     [
       "00000000-0000-0000-0000-00005fb71226",
       "Front"

hardware/base/fp-lib-table

 (fp_lib_table
   (lib (name "HackAmp-Footprints")(type "KiCad")(uri "${KIPRJMOD}/HackAmp-Footprints.pretty")(options "")(descr ""))
+  (lib (name "MCU_RaspberryPi_and_Boards")(type "KiCad")(uri "${KIPRJMOD}/../../3rdparty/RP_Silicon_KiCad/KiCadLibraries/MCU_RaspberryPi_and_Boards.pretty")(options "")(descr ""))
 )

hardware/base/sym-lib-table

 (sym_lib_table
   (lib (name "HackAmp-Symbols")(type "KiCad")(uri "${KIPRJMOD}/HackAmp-Symbols.kicad_sym")(options "")(descr ""))
+  (lib (name "MCU_RaspberryPi_and_Boards")(type "Legacy")(uri "${KIPRJMOD}/../../3rdparty/RP_Silicon_KiCad/KiCadLibraries/MCU_RaspberryPi_and_Boards.lib")(options "")(descr ""))
 )

hardware/frontpanel/frontpanel.kicad_pro

       ],
       "drc_exclusions": [],
       "meta": {
-        "version": 1
+        "version": 2
       },
       "rule_severities": {
         "annular_width": "error",
         "min_track_width": 0.19999999999999998,
         "min_via_annular_width": 0.049999999999999996,
         "min_via_diameter": 0.39999999999999997,
-        "solder_mask_clearance": 0.0,
-        "solder_mask_min_width": 0.0,
-        "solder_paste_clearance": 0.0,
-        "solder_paste_margin_ratio": -0.0
+        "use_height_for_length_calcs": true
       },
       "track_widths": [
         0.0,
         0,
         0,
         0,
+        0,
         1,
         0,
         0,
         0,
         1,
         0,
+        0,
         1,
         0,
         2,
         0,
         0,
         0,
+        0,
         1,
         0,
         1,
         0,
         0,
         0,
+        0,
         1,
         1,
         2,
         0,
         0,
         0,
+        0,
         1,
         0,
         0,
         0,
         2
       ],
+      [
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        2
+      ],
       [
         1,
         1,
         1,
         1,
         1,
+        0,
         1,
         1,
         1,
         0,
         1,
         0,
+        0,
         1,
         0,
         0,
         1,
         2,
         0,
+        0,
         1,
         0,
         2,
         0,
         1,
         0,
+        0,
         1,
         0,
         2,
         1,
         1,
         0,
+        0,
         1,
         0,
         2,
         2,
         2,
         2,
+        2,
         2
       ]
     ],
     "rule_severities": {
       "bus_definition_conflict": "error",
+      "bus_entry_needed": "error",
       "bus_label_syntax": "error",
       "bus_to_bus_conflict": "error",
       "bus_to_net_conflict": "error",
       "different_unit_footprint": "error",
       "different_unit_net": "error",
+      "duplicate_reference": "error",
       "duplicate_sheet_names": "error",
+      "extra_units": "error",
       "global_label_dangling": "warning",
       "hier_label_mismatch": "error",
       "label_dangling": "error",
       "pin_to_pin": "warning",
       "power_pin_not_driven": "error",
       "similar_labels": "warning",
+      "unannotated": "error",
+      "unit_value_mismatch": "error",
       "unresolved_variable": "error",
       "wire_dangling": "error"
     }
       }
     ],
     "meta": {
-      "version": 0
+      "version": 2
     },
     "net_colors": null
   },
     "page_layout_descr_file": ""
   },
   "schematic": {
+    "annotate_start_num": 0,
     "drawing": {
       "default_bus_thickness": 12.0,
       "default_junction_size": 40.0,
       "default_text_size": 50.0,
       "default_wire_thickness": 6.0,
       "field_names": [],
+      "intersheets_ref_own_page": false,
       "intersheets_ref_prefix": "",
       "intersheets_ref_short": false,
       "intersheets_ref_show": false,
       "intersheets_ref_suffix": "",
       "junction_size_choice": 3,
+      "label_size_ratio": 0.3,
       "pin_symbol_size": 25.0,
       "text_offset_ratio": 0.3
     },
     "legacy_lib_dir": "",
     "legacy_lib_list": [],
     "meta": {
-      "version": 0
+      "version": 1
     },
     "net_format_name": "",
+    "ngspice": {
+      "fix_include_paths": true,
+      "fix_passive_vals": false,
+      "meta": {
+        "version": 0
+      },
+      "model_mode": 0,
+      "workbook_filename": ""
+    },
     "page_layout_descr_file": "",
     "plot_directory": "",
     "spice_adjust_passive_values": false,
   },
   "sheets": [
     [
-      "3dc5306a-e1b9-4f95-bde0-3d7cf23e0f0a",
+      "636f54ba-fb14-4e7d-a99e-fc516a258ec4",
       ""
     ]
   ],

hardware/speakers/speakers.kicad_pro

     "pinned_symbol_libs": []
   },
   "meta": {
-    "filename": "tas5760m-amp-module.kicad_pro",
+    "filename": "speakers.kicad_pro",
     "version": 1
   },
   "net_settings": {
       }
     ],
     "meta": {
-      "version": 1
+      "version": 2
     },
     "net_colors": null
   },